Linux-libre 4.4-gnupck-4.4-gnu

32 files changed, 1015 insertions, 524 deletions

diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index 8f2e1c277..565a59310 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -21,6 +21,7 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-event.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 
 /* AirSpy USB API commands (from AirSpy Library) */
@@ -97,7 +98,8 @@ static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
 
 /* intermediate buffers with raw data from the USB device */
 struct airspy_frame_buf {
-	struct vb2_buffer vb;   /* common v4l buffer stuff -- must be first */
+	/* common v4l buffer stuff -- must be first */
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 };
 
@@ -132,7 +134,7 @@ struct airspy {
 	int            urbs_submitted;
 
 	/* USB control message buffer */
-	#define BUF_SIZE 24
+	#define BUF_SIZE 128
 	u8 buf[BUF_SIZE];
 
 	/* Current configuration */
@@ -310,13 +312,13 @@ static void airspy_urb_complete(struct urb *urb)
 		}
 
 		/* fill framebuffer */
-		ptr = vb2_plane_vaddr(&fbuf->vb, 0);
+		ptr = vb2_plane_vaddr(&fbuf->vb.vb2_buf, 0);
 		len = airspy_convert_stream(s, ptr, urb->transfer_buffer,
 				urb->actual_length);
-		vb2_set_plane_payload(&fbuf->vb, 0, len);
-		v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp);
-		fbuf->vb.v4l2_buf.sequence = s->sequence++;
-		vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+		vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, len);
+		v4l2_get_timestamp(&fbuf->vb.timestamp);
+		fbuf->vb.sequence = s->sequence++;
+		vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 	}
 skip:
 	usb_submit_urb(urb, GFP_ATOMIC);
@@ -459,7 +461,7 @@ static void airspy_cleanup_queued_bufs(struct airspy *s)
 		buf = list_entry(s->queued_bufs.next,
 				struct airspy_frame_buf, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
 	spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
 }
@@ -486,7 +488,7 @@ static void airspy_disconnect(struct usb_interface *intf)
 
 /* Videobuf2 operations */
 static int airspy_queue_setup(struct vb2_queue *vq,
-		const struct v4l2_format *fmt, unsigned int *nbuffers,
+		const void *parg, unsigned int *nbuffers,
 		unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
 {
 	struct airspy *s = vb2_get_drv_priv(vq);
@@ -505,14 +507,15 @@ static int airspy_queue_setup(struct vb2_queue *vq,
 
 static void airspy_buf_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct airspy *s = vb2_get_drv_priv(vb->vb2_queue);
 	struct airspy_frame_buf *buf =
-			container_of(vb, struct airspy_frame_buf, vb);
+			container_of(vbuf, struct airspy_frame_buf, vb);
 	unsigned long flags;
 
 	/* Check the device has not disconnected between prep and queuing */
 	if (unlikely(!s->udev)) {
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		return;
 	}
 
@@ -571,7 +574,8 @@ err_clear_bit:
 
 		list_for_each_entry_safe(buf, tmp, &s->queued_bufs, list) {
 			list_del(&buf->list);
-			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
+			vb2_buffer_done(&buf->vb.vb2_buf,
+					VB2_BUF_STATE_QUEUED);
 		}
 	}
 
diff --git a/drivers/media/usb/au0828/au0828-vbi.c b/drivers/media/usb/au0828/au0828-vbi.c
index f67247cf1..130c8b49b 100644
--- a/drivers/media/usb/au0828/au0828-vbi.c
+++ b/drivers/media/usb/au0828/au0828-vbi.c
@@ -30,10 +30,11 @@
 
 /* ------------------------------------------------------------------ */
 
-static int vbi_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int vbi_queue_setup(struct vb2_queue *vq, const void *parg,
 			   unsigned int *nbuffers, unsigned int *nplanes,
 			   unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct au0828_dev *dev = vb2_get_drv_priv(vq);
 	unsigned long img_size = dev->vbi_width * dev->vbi_height * 2;
 	unsigned long size;
@@ -52,7 +53,6 @@ static int vbi_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 static int vbi_buffer_prepare(struct vb2_buffer *vb)
 {
 	struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
 	unsigned long size;
 
 	size = dev->vbi_width * dev->vbi_height * 2;
@@ -62,7 +62,7 @@ static int vbi_buffer_prepare(struct vb2_buffer *vb)
 			__func__, vb2_plane_size(vb, 0), size);
 		return -EINVAL;
 	}
-	vb2_set_plane_payload(&buf->vb, 0, size);
+	vb2_set_plane_payload(vb, 0, size);
 
 	return 0;
 }
@@ -71,7 +71,9 @@ static void
 vbi_buffer_queue(struct vb2_buffer *vb)
 {
 	struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct au0828_buffer *buf =
+			container_of(vbuf, struct au0828_buffer, vb);
 	struct au0828_dmaqueue *vbiq = &dev->vbiq;
 	unsigned long flags = 0;
 
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 1a362a041..45c622e23 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -302,20 +302,20 @@ static inline void buffer_filled(struct au0828_dev *dev,
 				 struct au0828_dmaqueue *dma_q,
 				 struct au0828_buffer *buf)
 {
-	struct vb2_buffer *vb = &buf->vb;
-	struct vb2_queue *q = vb->vb2_queue;
+	struct vb2_v4l2_buffer *vb = &buf->vb;
+	struct vb2_queue *q = vb->vb2_buf.vb2_queue;
 
 	/* Advice that buffer was filled */
 	au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
 
 	if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		vb->v4l2_buf.sequence = dev->frame_count++;
+		vb->sequence = dev->frame_count++;
 	else
-		vb->v4l2_buf.sequence = dev->vbi_frame_count++;
+		vb->sequence = dev->vbi_frame_count++;
 
-	vb->v4l2_buf.field = V4L2_FIELD_INTERLACED;
-	v4l2_get_timestamp(&vb->v4l2_buf.timestamp);
-	vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
+	vb->field = V4L2_FIELD_INTERLACED;
+	v4l2_get_timestamp(&vb->timestamp);
+	vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
 }
 
 /*
@@ -531,11 +531,11 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
 
 	buf = dev->isoc_ctl.buf;
 	if (buf != NULL)
-		outp = vb2_plane_vaddr(&buf->vb, 0);
+		outp = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 
 	vbi_buf = dev->isoc_ctl.vbi_buf;
 	if (vbi_buf != NULL)
-		vbioutp = vb2_plane_vaddr(&vbi_buf->vb, 0);
+		vbioutp = vb2_plane_vaddr(&vbi_buf->vb.vb2_buf, 0);
 
 	for (i = 0; i < urb->number_of_packets; i++) {
 		int status = urb->iso_frame_desc[i].status;
@@ -574,7 +574,7 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
 					vbioutp = NULL;
 				else
 					vbioutp = vb2_plane_vaddr(
-						&vbi_buf->vb, 0);
+						&vbi_buf->vb.vb2_buf, 0);
 
 				/* Video */
 				if (buf != NULL)
@@ -583,7 +583,8 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
 				if (buf == NULL)
 					outp = NULL;
 				else
-					outp = vb2_plane_vaddr(&buf->vb, 0);
+					outp = vb2_plane_vaddr(
+						&buf->vb.vb2_buf, 0);
 
 				/* As long as isoc traffic is arriving, keep
 				   resetting the timer */
@@ -637,10 +638,11 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
 	return rc;
 }
 
-static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int queue_setup(struct vb2_queue *vq, const void *parg,
 		       unsigned int *nbuffers, unsigned int *nplanes,
 		       unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct au0828_dev *dev = vb2_get_drv_priv(vq);
 	unsigned long img_size = dev->height * dev->bytesperline;
 	unsigned long size;
@@ -658,7 +660,9 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 static int
 buffer_prepare(struct vb2_buffer *vb)
 {
-	struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct au0828_buffer *buf = container_of(vbuf,
+				struct au0828_buffer, vb);
 	struct au0828_dev    *dev = vb2_get_drv_priv(vb->vb2_queue);
 
 	buf->length = dev->height * dev->bytesperline;
@@ -668,14 +672,15 @@ buffer_prepare(struct vb2_buffer *vb)
 			__func__, vb2_plane_size(vb, 0), buf->length);
 		return -EINVAL;
 	}
-	vb2_set_plane_payload(&buf->vb, 0, buf->length);
+	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->length);
 	return 0;
 }
 
 static void
 buffer_queue(struct vb2_buffer *vb)
 {
-	struct au0828_buffer    *buf     = container_of(vb,
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct au0828_buffer    *buf     = container_of(vbuf,
 							struct au0828_buffer,
 							vb);
 	struct au0828_dev       *dev     = vb2_get_drv_priv(vb->vb2_queue);
@@ -826,14 +831,15 @@ static void au0828_stop_streaming(struct vb2_queue *vq)
 
 	spin_lock_irqsave(&dev->slock, flags);
 	if (dev->isoc_ctl.buf != NULL) {
-		vb2_buffer_done(&dev->isoc_ctl.buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&dev->isoc_ctl.buf->vb.vb2_buf,
+				VB2_BUF_STATE_ERROR);
 		dev->isoc_ctl.buf = NULL;
 	}
 	while (!list_empty(&vidq->active)) {
 		struct au0828_buffer *buf;
 
 		buf = list_entry(vidq->active.next, struct au0828_buffer, list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		list_del(&buf->list);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
@@ -853,7 +859,7 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq)
 
 	spin_lock_irqsave(&dev->slock, flags);
 	if (dev->isoc_ctl.vbi_buf != NULL) {
-		vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb,
+		vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb.vb2_buf,
 				VB2_BUF_STATE_ERROR);
 		dev->isoc_ctl.vbi_buf = NULL;
 	}
@@ -862,7 +868,7 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq)
 
 		buf = list_entry(vbiq->active.next, struct au0828_buffer, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
 
@@ -911,7 +917,7 @@ static void au0828_vid_buffer_timeout(unsigned long data)
 
 	buf = dev->isoc_ctl.buf;
 	if (buf != NULL) {
-		vid_data = vb2_plane_vaddr(&buf->vb, 0);
+		vid_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 		memset(vid_data, 0x00, buf->length); /* Blank green frame */
 		buffer_filled(dev, dma_q, buf);
 	}
@@ -935,7 +941,7 @@ static void au0828_vbi_buffer_timeout(unsigned long data)
 
 	buf = dev->isoc_ctl.vbi_buf;
 	if (buf != NULL) {
-		vbi_data = vb2_plane_vaddr(&buf->vb, 0);
+		vbi_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 		memset(vbi_data, 0x00, buf->length);
 		buffer_filled(dev, dma_q, buf);
 	}
diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h
index 3b480005c..60b59391e 100644
--- a/drivers/media/usb/au0828/au0828.h
+++ b/drivers/media/usb/au0828/au0828.h
@@ -28,6 +28,7 @@
 
 /* Analog */
 #include <linux/videodev2.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
@@ -167,7 +168,7 @@ struct au0828_usb_isoc_ctl {
 /* buffer for one video frame */
 struct au0828_buffer {
 	/* common v4l buffer stuff -- must be first */
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 
 	void *mem;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index 979816069..d0d8f08e3 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1114,7 +1114,8 @@ int cx231xx_enum_input(struct file *file, void *priv,
 	struct cx231xx_fh *fh = priv;
 	struct cx231xx *dev = fh->dev;
 	u32 gen_stat;
-	unsigned int ret, n;
+	unsigned int n;
+	int ret;
 
 	n = i->index;
 	if (n >= MAX_CX231XX_INPUT)
diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
index 0376c092b..1dd962535 100644
--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
+++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
@@ -847,6 +847,10 @@ static const struct usb_device_id dvbsky_id_table[] = {
 		USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI,
 		&dvbsky_t680c_props, "TechnoTrend TT-connect CT2-4650 CI",
 		RC_MAP_TT_1500) },
+	{ DVB_USB_DEVICE(USB_VID_TERRATEC,
+		USB_PID_TERRATEC_H7_3,
+		&dvbsky_t680c_props, "Terratec H7 Rev.4",
+		RC_MAP_TT_1500) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, dvbsky_id_table);
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 197a4f2e5..5a503a6bb 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -1896,6 +1896,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = {
 		&rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
 	{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
 		&rtl28xxu_props, "Compro VideoMate U620F", NULL) },
+	{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0650,
+		&rtl28xxu_props, "Compro VideoMate U650F", NULL) },
 	{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
 		&rtl28xxu_props, "MaxMedia HU394-T", NULL) },
 	{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c
index 744e7ed74..e23c285b3 100644
--- a/drivers/media/usb/em28xx/em28xx-vbi.c
+++ b/drivers/media/usb/em28xx/em28xx-vbi.c
@@ -31,10 +31,11 @@
 
 /* ------------------------------------------------------------------ */
 
-static int vbi_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int vbi_queue_setup(struct vb2_queue *vq, const void *parg,
 			   unsigned int *nbuffers, unsigned int *nplanes,
 			   unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct em28xx *dev = vb2_get_drv_priv(vq);
 	struct em28xx_v4l2 *v4l2 = dev->v4l2;
 	unsigned long size;
@@ -61,7 +62,6 @@ static int vbi_buffer_prepare(struct vb2_buffer *vb)
 {
 	struct em28xx        *dev  = vb2_get_drv_priv(vb->vb2_queue);
 	struct em28xx_v4l2   *v4l2 = dev->v4l2;
-	struct em28xx_buffer *buf  = container_of(vb, struct em28xx_buffer, vb);
 	unsigned long        size;
 
 	size = v4l2->vbi_width * v4l2->vbi_height * 2;
@@ -71,7 +71,7 @@ static int vbi_buffer_prepare(struct vb2_buffer *vb)
 		       __func__, vb2_plane_size(vb, 0), size);
 		return -EINVAL;
 	}
-	vb2_set_plane_payload(&buf->vb, 0, size);
+	vb2_set_plane_payload(vb, 0, size);
 
 	return 0;
 }
@@ -79,8 +79,10 @@ static int vbi_buffer_prepare(struct vb2_buffer *vb)
 static void
 vbi_buffer_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+	struct em28xx_buffer *buf =
+		container_of(vbuf, struct em28xx_buffer, vb);
 	struct em28xx_dmaqueue *vbiq = &dev->vbiq;
 	unsigned long flags = 0;
 
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 4397ce5e7..6a3cf342e 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -433,14 +433,14 @@ static inline void finish_buffer(struct em28xx *dev,
 {
 	em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
 
-	buf->vb.v4l2_buf.sequence = dev->v4l2->field_count++;
+	buf->vb.sequence = dev->v4l2->field_count++;
 	if (dev->v4l2->progressive)
-		buf->vb.v4l2_buf.field = V4L2_FIELD_NONE;
+		buf->vb.field = V4L2_FIELD_NONE;
 	else
-		buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
-	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
+		buf->vb.field = V4L2_FIELD_INTERLACED;
+	v4l2_get_timestamp(&buf->vb.timestamp);
 
-	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 }
 
 /*
@@ -871,10 +871,11 @@ static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type)
 	Videobuf2 operations
    ------------------------------------------------------------------*/
 
-static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int queue_setup(struct vb2_queue *vq, const void *parg,
 		       unsigned int *nbuffers, unsigned int *nplanes,
 		       unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct em28xx *dev = vb2_get_drv_priv(vq);
 	struct em28xx_v4l2 *v4l2 = dev->v4l2;
 	unsigned long size;
@@ -900,12 +901,12 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 static int
 buffer_prepare(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct em28xx        *dev = vb2_get_drv_priv(vb->vb2_queue);
 	struct em28xx_v4l2   *v4l2 = dev->v4l2;
-	struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
 	unsigned long size;
 
-	em28xx_videodbg("%s, field=%d\n", __func__, vb->v4l2_buf.field);
+	em28xx_videodbg("%s, field=%d\n", __func__, vbuf->field);
 
 	size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3;
 
@@ -914,7 +915,7 @@ buffer_prepare(struct vb2_buffer *vb)
 				__func__, vb2_plane_size(vb, 0), size);
 		return -EINVAL;
 	}
-	vb2_set_plane_payload(&buf->vb, 0, size);
+	vb2_set_plane_payload(vb, 0, size);
 
 	return 0;
 }
@@ -924,6 +925,7 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
 	struct em28xx *dev = vb2_get_drv_priv(vq);
 	struct em28xx_v4l2 *v4l2 = dev->v4l2;
 	struct v4l2_frequency f;
+	struct v4l2_fh *owner;
 	int rc = 0;
 
 	em28xx_videodbg("%s\n", __func__);
@@ -964,7 +966,8 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
 		/* Ask tuner to go to analog or radio mode */
 		memset(&f, 0, sizeof(f));
 		f.frequency = v4l2->frequency;
-		if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO)
+		owner = (struct v4l2_fh *)vq->owner;
+		if (owner && owner->vdev->vfl_type == VFL_TYPE_RADIO)
 			f.type = V4L2_TUNER_RADIO;
 		else
 			f.type = V4L2_TUNER_ANALOG_TV;
@@ -995,7 +998,8 @@ static void em28xx_stop_streaming(struct vb2_queue *vq)
 
 	spin_lock_irqsave(&dev->slock, flags);
 	if (dev->usb_ctl.vid_buf != NULL) {
-		vb2_buffer_done(&dev->usb_ctl.vid_buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&dev->usb_ctl.vid_buf->vb.vb2_buf,
+				VB2_BUF_STATE_ERROR);
 		dev->usb_ctl.vid_buf = NULL;
 	}
 	while (!list_empty(&vidq->active)) {
@@ -1003,7 +1007,7 @@ static void em28xx_stop_streaming(struct vb2_queue *vq)
 
 		buf = list_entry(vidq->active.next, struct em28xx_buffer, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
 }
@@ -1026,7 +1030,8 @@ void em28xx_stop_vbi_streaming(struct vb2_queue *vq)
 
 	spin_lock_irqsave(&dev->slock, flags);
 	if (dev->usb_ctl.vbi_buf != NULL) {
-		vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb.vb2_buf,
+				VB2_BUF_STATE_ERROR);
 		dev->usb_ctl.vbi_buf = NULL;
 	}
 	while (!list_empty(&vbiq->active)) {
@@ -1034,7 +1039,7 @@ void em28xx_stop_vbi_streaming(struct vb2_queue *vq)
 
 		buf = list_entry(vbiq->active.next, struct em28xx_buffer, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
 	spin_unlock_irqrestore(&dev->slock, flags);
 }
@@ -1042,8 +1047,10 @@ void em28xx_stop_vbi_streaming(struct vb2_queue *vq)
 static void
 buffer_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+	struct em28xx_buffer *buf =
+		container_of(vbuf, struct em28xx_buffer, vb);
 	struct em28xx_dmaqueue *vidq = &dev->vidq;
 	unsigned long flags = 0;
 
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index e6559c6f1..76bf8ba37 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -35,6 +35,7 @@
 #include <linux/kref.h>
 #include <linux/videodev2.h>
 
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
@@ -264,7 +265,7 @@ struct em28xx_fmt {
 /* buffer for one video frame */
 struct em28xx_buffer {
 	/* common v4l buffer stuff -- must be first */
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 
 	void *mem;
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index 729415970..a40174626 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -386,10 +386,10 @@ start_error:
  */
 static inline void store_byte(struct go7007_buffer *vb, u8 byte)
 {
-	if (vb && vb->vb.v4l2_planes[0].bytesused < GO7007_BUF_SIZE) {
-		u8 *ptr = vb2_plane_vaddr(&vb->vb, 0);
+	if (vb && vb->vb.vb2_buf.planes[0].bytesused < GO7007_BUF_SIZE) {
+		u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0);
 
-		ptr[vb->vb.v4l2_planes[0].bytesused++] = byte;
+		ptr[vb->vb.vb2_buf.planes[0].bytesused++] = byte;
 	}
 }
 
@@ -401,7 +401,7 @@ static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *v
 			.type = V4L2_EVENT_MOTION_DET,
 			.u.motion_det = {
 				.flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
-				.frame_sequence = vb->vb.v4l2_buf.sequence,
+				.frame_sequence = vb->vb.sequence,
 				.region_mask = motion_regions,
 			},
 		};
@@ -417,7 +417,7 @@ static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *v
  */
 static void go7007_motion_regions(struct go7007 *go, struct go7007_buffer *vb)
 {
-	u32 *bytesused = &vb->vb.v4l2_planes[0].bytesused;
+	u32 *bytesused = &vb->vb.vb2_buf.planes[0].bytesused;
 	unsigned motion[4] = { 0, 0, 0, 0 };
 	u32 motion_regions = 0;
 	unsigned stride = (go->width + 7) >> 3;
@@ -458,25 +458,26 @@ static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buf
 		go->next_seq++;
 		return vb;
 	}
-	bytesused = &vb->vb.v4l2_planes[0].bytesused;
+	bytesused = &vb->vb.vb2_buf.planes[0].bytesused;
 
-	vb->vb.v4l2_buf.sequence = go->next_seq++;
+	vb->vb.sequence = go->next_seq++;
 	if (vb->modet_active && *bytesused + 216 < GO7007_BUF_SIZE)
 		go7007_motion_regions(go, vb);
 	else
 		go7007_set_motion_regions(go, vb, 0);
 
-	v4l2_get_timestamp(&vb->vb.v4l2_buf.timestamp);
+	v4l2_get_timestamp(&vb->vb.timestamp);
 	vb_tmp = vb;
 	spin_lock(&go->spinlock);
 	list_del(&vb->list);
 	if (list_empty(&go->vidq_active))
 		vb = NULL;
 	else
-		vb = list_first_entry(&go->vidq_active, struct go7007_buffer, list);
+		vb = list_first_entry(&go->vidq_active,
+				struct go7007_buffer, list);
 	go->active_buf = vb;
 	spin_unlock(&go->spinlock);
-	vb2_buffer_done(&vb_tmp->vb, VB2_BUF_STATE_DONE);
+	vb2_buffer_done(&vb_tmp->vb.vb2_buf, VB2_BUF_STATE_DONE);
 	return vb;
 }
 
@@ -519,9 +520,10 @@ void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
 	}
 
 	for (i = 0; i < length; ++i) {
-		if (vb && vb->vb.v4l2_planes[0].bytesused >= GO7007_BUF_SIZE - 3) {
+		if (vb && vb->vb.vb2_buf.planes[0].bytesused >=
+				GO7007_BUF_SIZE - 3) {
 			v4l2_info(&go->v4l2_dev, "dropping oversized frame\n");
-			vb->vb.v4l2_planes[0].bytesused = 0;
+			vb->vb.vb2_buf.planes[0].bytesused = 0;
 			vb->frame_offset = 0;
 			vb->modet_active = 0;
 			vb = go->active_buf = NULL;
@@ -601,7 +603,8 @@ void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
 					vb = frame_boundary(go, vb);
 				go->seen_frame = buf[i] == frame_start_code;
 				if (vb && go->seen_frame)
-					vb->frame_offset = vb->vb.v4l2_planes[0].bytesused;
+					vb->frame_offset =
+					vb->vb.vb2_buf.planes[0].bytesused;
 			}
 			/* Handle any special chunk types, or just write the
 			 * start code to the (potentially new) buffer */
diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c
index d1aa1b44b..ddcb6e139 100644
--- a/drivers/media/usb/go7007/go7007-fw.c
+++ b/drivers/media/usb/go7007/go7007-fw.c
@@ -379,7 +379,7 @@ static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
 
 	buf = kzalloc(4096, GFP_KERNEL);
 	if (buf == NULL)
-		return -1;
+		return -ENOMEM;
 
 	for (i = 1; i < 32; ++i) {
 		mjpeg_frame_header(go, buf + size, i);
@@ -646,7 +646,7 @@ static int gen_mpeg1hdr_to_package(struct go7007 *go,
 
 	buf = kzalloc(5120, GFP_KERNEL);
 	if (buf == NULL)
-		return -1;
+		return -ENOMEM;
 
 	framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
 	if (go->interlace_coding)
@@ -832,7 +832,7 @@ static int gen_mpeg4hdr_to_package(struct go7007 *go,
 
 	buf = kzalloc(5120, GFP_KERNEL);
 	if (buf == NULL)
-		return -1;
+		return -ENOMEM;
 
 	framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
 	i = 368;
diff --git a/drivers/media/usb/go7007/go7007-priv.h b/drivers/media/usb/go7007/go7007-priv.h
index 2251c3f99..745185eb0 100644
--- a/drivers/media/usb/go7007/go7007-priv.h
+++ b/drivers/media/usb/go7007/go7007-priv.h
@@ -20,7 +20,7 @@
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-fh.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
 
 struct go7007;
 
@@ -136,7 +136,7 @@ struct go7007_hpi_ops {
 #define	GO7007_BUF_SIZE		(GO7007_BUF_PAGES << PAGE_SHIFT)
 
 struct go7007_buffer {
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 	unsigned int frame_offset;
 	u32 modet_active;
diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
index c57207e26..f3d187db9 100644
--- a/drivers/media/usb/go7007/go7007-v4l2.c
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -52,7 +52,7 @@ static bool valid_pixelformat(u32 pixelformat)
 
 static u32 get_frame_type_flag(struct go7007_buffer *vb, int format)
 {
-	u8 *ptr = vb2_plane_vaddr(&vb->vb, 0);
+	u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0);
 
 	switch (format) {
 	case V4L2_PIX_FMT_MJPEG:
@@ -369,7 +369,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 }
 
 static int go7007_queue_setup(struct vb2_queue *q,
-		const struct v4l2_format *fmt,
+		const void *parg,
 		unsigned int *num_buffers, unsigned int *num_planes,
 		unsigned int sizes[], void *alloc_ctxs[])
 {
@@ -386,8 +386,9 @@ static void go7007_buf_queue(struct vb2_buffer *vb)
 {
 	struct vb2_queue *vq = vb->vb2_queue;
 	struct go7007 *go = vb2_get_drv_priv(vq);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct go7007_buffer *go7007_vb =
-		container_of(vb, struct go7007_buffer, vb);
+		container_of(vbuf, struct go7007_buffer, vb);
 	unsigned long flags;
 
 	spin_lock_irqsave(&go->spinlock, flags);
@@ -397,12 +398,13 @@ static void go7007_buf_queue(struct vb2_buffer *vb)
 
 static int go7007_buf_prepare(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct go7007_buffer *go7007_vb =
-		container_of(vb, struct go7007_buffer, vb);
+		container_of(vbuf, struct go7007_buffer, vb);
 
 	go7007_vb->modet_active = 0;
 	go7007_vb->frame_offset = 0;
-	vb->v4l2_planes[0].bytesused = 0;
+	vb->planes[0].bytesused = 0;
 	return 0;
 }
 
@@ -410,15 +412,15 @@ static void go7007_buf_finish(struct vb2_buffer *vb)
 {
 	struct vb2_queue *vq = vb->vb2_queue;
 	struct go7007 *go = vb2_get_drv_priv(vq);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct go7007_buffer *go7007_vb =
-		container_of(vb, struct go7007_buffer, vb);
+		container_of(vbuf, struct go7007_buffer, vb);
 	u32 frame_type_flag = get_frame_type_flag(go7007_vb, go->format);
-	struct v4l2_buffer *buf = &vb->v4l2_buf;
 
-	buf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_BFRAME |
+	vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_BFRAME |
 			V4L2_BUF_FLAG_PFRAME);
-	buf->flags |= frame_type_flag;
-	buf->field = V4L2_FIELD_NONE;
+	vbuf->flags |= frame_type_flag;
+	vbuf->field = V4L2_FIELD_NONE;
 }
 
 static int go7007_start_streaming(struct vb2_queue *q, unsigned int count)
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
index e54cee856..af5cd8213 100644
--- a/drivers/media/usb/gspca/gspca.c
+++ b/drivers/media/usb/gspca/gspca.c
@@ -436,7 +436,7 @@ void gspca_frame_add(struct gspca_dev *gspca_dev,
 		}
 		j = gspca_dev->fr_queue[i];
 		frame = &gspca_dev->frame[j];
-		frame->v4l2_buf.timestamp = ktime_to_timeval(ktime_get());
+		v4l2_get_timestamp(&frame->v4l2_buf.timestamp);
 		frame->v4l2_buf.sequence = gspca_dev->sequence++;
 		gspca_dev->image = frame->data;
 		gspca_dev->image_len = 0;
@@ -1909,7 +1909,7 @@ static ssize_t dev_read(struct file *file, char __user *data,
 	}
 
 	/* get a frame */
-	timestamp = ktime_to_timeval(ktime_get());
+	v4l2_get_timestamp(&timestamp);
 	timestamp.tv_sec--;
 	n = 2;
 	for (;;) {
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index fd1fa412e..0fe5cb2c2 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -21,8 +21,18 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-event.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 
+/*
+ * Used Avago MGA-81563 RF amplifier could be destroyed pretty easily with too
+ * strong signal or transmitting to bad antenna.
+ * Set RF gain control to 'grabbed' state by default for sure.
+ */
+static bool hackrf_enable_rf_gain_ctrl;
+module_param_named(enable_rf_gain_ctrl, hackrf_enable_rf_gain_ctrl, bool, 0644);
+MODULE_PARM_DESC(enable_rf_gain_ctrl, "enable RX/TX RF amplifier control (warn: could damage amplifier)");
+
 /* HackRF USB API commands (from HackRF Library) */
 enum {
 	CMD_SET_TRANSCEIVER_MODE           = 0x01,
@@ -31,8 +41,10 @@ enum {
 	CMD_BOARD_ID_READ                  = 0x0e,
 	CMD_VERSION_STRING_READ            = 0x0f,
 	CMD_SET_FREQ                       = 0x10,
+	CMD_AMP_ENABLE                     = 0x11,
 	CMD_SET_LNA_GAIN                   = 0x13,
 	CMD_SET_VGA_GAIN                   = 0x14,
+	CMD_SET_TXVGA_GAIN                 = 0x15,
 };
 
 /*
@@ -43,10 +55,10 @@ enum {
 #define MAX_BULK_BUFS            (6)
 #define BULK_BUFFER_SIZE         (128 * 512)
 
-static const struct v4l2_frequency_band bands_adc[] = {
+static const struct v4l2_frequency_band bands_adc_dac[] = {
 	{
 		.tuner = 0,
-		.type = V4L2_TUNER_ADC,
+		.type = V4L2_TUNER_SDR,
 		.index = 0,
 		.capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
 		.rangelow   =   200000,
@@ -54,7 +66,7 @@ static const struct v4l2_frequency_band bands_adc[] = {
 	},
 };
 
-static const struct v4l2_frequency_band bands_rf[] = {
+static const struct v4l2_frequency_band bands_rx_tx[] = {
 	{
 		.tuner = 1,
 		.type = V4L2_TUNER_RF,
@@ -67,7 +79,6 @@ static const struct v4l2_frequency_band bands_rf[] = {
 
 /* stream formats */
 struct hackrf_format {
-	char	*name;
 	u32	pixelformat;
 	u32	buffersize;
 };
@@ -75,7 +86,6 @@ struct hackrf_format {
 /* format descriptions for capture and preview */
 static struct hackrf_format formats[] = {
 	{
-		.name		= "Complex S8",
 		.pixelformat	= V4L2_SDR_FMT_CS8,
 		.buffersize	= BULK_BUFFER_SIZE,
 	},
@@ -84,28 +94,44 @@ static struct hackrf_format formats[] = {
 static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
 
 /* intermediate buffers with raw data from the USB device */
-struct hackrf_frame_buf {
-	struct vb2_buffer vb;   /* common v4l buffer stuff -- must be first */
+struct hackrf_buffer {
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 };
 
 struct hackrf_dev {
-#define POWER_ON           (1 << 1)
-#define URB_BUF            (1 << 2)
-#define USB_STATE_URB_BUF  (1 << 3)
+#define USB_STATE_URB_BUF                1 /* XXX: set manually */
+#define RX_ON                            4
+#define TX_ON                            5
+#define RX_ADC_FREQUENCY                11
+#define TX_DAC_FREQUENCY                12
+#define RX_BANDWIDTH                    13
+#define TX_BANDWIDTH                    14
+#define RX_RF_FREQUENCY                 15
+#define TX_RF_FREQUENCY                 16
+#define RX_RF_GAIN                      17
+#define TX_RF_GAIN                      18
+#define RX_IF_GAIN                      19
+#define RX_LNA_GAIN                     20
+#define TX_LNA_GAIN                     21
 	unsigned long flags;
 
+	struct usb_interface *intf;
 	struct device *dev;
 	struct usb_device *udev;
-	struct video_device vdev;
+	struct video_device rx_vdev;
+	struct video_device tx_vdev;
 	struct v4l2_device v4l2_dev;
 
 	/* videobuf2 queue and queued buffers list */
-	struct vb2_queue vb_queue;
-	struct list_head queued_bufs;
-	spinlock_t queued_bufs_lock; /* Protects queued_bufs */
+	struct vb2_queue rx_vb2_queue;
+	struct vb2_queue tx_vb2_queue;
+	struct list_head rx_buffer_list;
+	struct list_head tx_buffer_list;
+	spinlock_t buffer_list_lock; /* Protects buffer_list */
 	unsigned sequence;	     /* Buffer sequence counter */
 	unsigned int vb_full;        /* vb is full and packets dropped */
+	unsigned int vb_empty;       /* vb is empty and packets dropped */
 
 	/* Note if taking both locks v4l2_lock must always be locked first! */
 	struct mutex v4l2_lock;      /* Protects everything else */
@@ -125,16 +151,24 @@ struct hackrf_dev {
 
 	/* Current configuration */
 	unsigned int f_adc;
-	unsigned int f_rf;
+	unsigned int f_dac;
+	unsigned int f_rx;
+	unsigned int f_tx;
 	u32 pixelformat;
 	u32 buffersize;
 
 	/* Controls */
-	struct v4l2_ctrl_handler hdl;
-	struct v4l2_ctrl *bandwidth_auto;
-	struct v4l2_ctrl *bandwidth;
-	struct v4l2_ctrl *lna_gain;
-	struct v4l2_ctrl *if_gain;
+	struct v4l2_ctrl_handler rx_ctrl_handler;
+	struct v4l2_ctrl *rx_bandwidth_auto;
+	struct v4l2_ctrl *rx_bandwidth;
+	struct v4l2_ctrl *rx_rf_gain;
+	struct v4l2_ctrl *rx_lna_gain;
+	struct v4l2_ctrl *rx_if_gain;
+	struct v4l2_ctrl_handler tx_ctrl_handler;
+	struct v4l2_ctrl *tx_bandwidth_auto;
+	struct v4l2_ctrl *tx_bandwidth;
+	struct v4l2_ctrl *tx_rf_gain;
+	struct v4l2_ctrl *tx_lna_gain;
 
 	/* Sample rate calc */
 	unsigned long jiffies_next;
@@ -164,6 +198,7 @@ static int hackrf_ctrl_msg(struct hackrf_dev *dev, u8 request, u16 value,
 	switch (request) {
 	case CMD_SET_TRANSCEIVER_MODE:
 	case CMD_SET_FREQ:
+	case CMD_AMP_ENABLE:
 	case CMD_SAMPLE_RATE_SET:
 	case CMD_BASEBAND_FILTER_BANDWIDTH_SET:
 		pipe = usb_sndctrlpipe(dev->udev, 0);
@@ -173,6 +208,7 @@ static int hackrf_ctrl_msg(struct hackrf_dev *dev, u8 request, u16 value,
 	case CMD_VERSION_STRING_READ:
 	case CMD_SET_LNA_GAIN:
 	case CMD_SET_VGA_GAIN:
+	case CMD_SET_TXVGA_GAIN:
 		pipe = usb_rcvctrlpipe(dev->udev, 0);
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
 		break;
@@ -205,25 +241,227 @@ err:
 	return ret;
 }
 
+static int hackrf_set_params(struct hackrf_dev *dev)
+{
+	struct usb_interface *intf = dev->intf;
+	int ret, i;
+	u8 buf[8], u8tmp;
+	unsigned int uitmp, uitmp1, uitmp2;
+	const bool rx = test_bit(RX_ON, &dev->flags);
+	const bool tx = test_bit(TX_ON, &dev->flags);
+	static const struct {
+		u32 freq;
+	} bandwidth_lut[] = {
+		{ 1750000}, /*  1.75 MHz */
+		{ 2500000}, /*  2.5  MHz */
+		{ 3500000}, /*  3.5  MHz */
+		{ 5000000}, /*  5    MHz */
+		{ 5500000}, /*  5.5  MHz */
+		{ 6000000}, /*  6    MHz */
+		{ 7000000}, /*  7    MHz */
+		{ 8000000}, /*  8    MHz */
+		{ 9000000}, /*  9    MHz */
+		{10000000}, /* 10    MHz */
+		{12000000}, /* 12    MHz */
+		{14000000}, /* 14    MHz */
+		{15000000}, /* 15    MHz */
+		{20000000}, /* 20    MHz */
+		{24000000}, /* 24    MHz */
+		{28000000}, /* 28    MHz */
+	};
+
+	if (!rx && !tx) {
+		dev_dbg(&intf->dev, "device is sleeping\n");
+		return 0;
+	}
+
+	/* ADC / DAC frequency */
+	if (rx && test_and_clear_bit(RX_ADC_FREQUENCY, &dev->flags)) {
+		dev_dbg(&intf->dev, "RX ADC frequency=%u Hz\n", dev->f_adc);
+		uitmp1 = dev->f_adc;
+		uitmp2 = 1;
+		set_bit(TX_DAC_FREQUENCY, &dev->flags);
+	} else if (tx && test_and_clear_bit(TX_DAC_FREQUENCY, &dev->flags)) {
+		dev_dbg(&intf->dev, "TX DAC frequency=%u Hz\n", dev->f_dac);
+		uitmp1 = dev->f_dac;
+		uitmp2 = 1;
+		set_bit(RX_ADC_FREQUENCY, &dev->flags);
+	} else {
+		uitmp1 = uitmp2 = 0;
+	}
+	if (uitmp1 || uitmp2) {
+		buf[0] = (uitmp1 >>  0) & 0xff;
+		buf[1] = (uitmp1 >>  8) & 0xff;
+		buf[2] = (uitmp1 >> 16) & 0xff;
+		buf[3] = (uitmp1 >> 24) & 0xff;
+		buf[4] = (uitmp2 >>  0) & 0xff;
+		buf[5] = (uitmp2 >>  8) & 0xff;
+		buf[6] = (uitmp2 >> 16) & 0xff;
+		buf[7] = (uitmp2 >> 24) & 0xff;
+		ret = hackrf_ctrl_msg(dev, CMD_SAMPLE_RATE_SET, 0, 0, buf, 8);
+		if (ret)
+			goto err;
+	}
+
+	/* bandwidth */
+	if (rx && test_and_clear_bit(RX_BANDWIDTH, &dev->flags)) {
+		if (dev->rx_bandwidth_auto->val == true)
+			uitmp = dev->f_adc;
+		else
+			uitmp = dev->rx_bandwidth->val;
+
+		for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
+			if (uitmp <= bandwidth_lut[i].freq) {
+				uitmp = bandwidth_lut[i].freq;
+				break;
+			}
+		}
+		dev->rx_bandwidth->val = uitmp;
+		dev->rx_bandwidth->cur.val = uitmp;
+		dev_dbg(&intf->dev, "RX bandwidth selected=%u\n", uitmp);
+		set_bit(TX_BANDWIDTH, &dev->flags);
+	} else if (tx && test_and_clear_bit(TX_BANDWIDTH, &dev->flags)) {
+		if (dev->tx_bandwidth_auto->val == true)
+			uitmp = dev->f_dac;
+		else
+			uitmp = dev->tx_bandwidth->val;
+
+		for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
+			if (uitmp <= bandwidth_lut[i].freq) {
+				uitmp = bandwidth_lut[i].freq;
+				break;
+			}
+		}
+		dev->tx_bandwidth->val = uitmp;
+		dev->tx_bandwidth->cur.val = uitmp;
+		dev_dbg(&intf->dev, "TX bandwidth selected=%u\n", uitmp);
+		set_bit(RX_BANDWIDTH, &dev->flags);
+	} else {
+		uitmp = 0;
+	}
+	if (uitmp) {
+		uitmp1 = uitmp2 = 0;
+		uitmp1 |= ((uitmp >>  0) & 0xff) << 0;
+		uitmp1 |= ((uitmp >>  8) & 0xff) << 8;
+		uitmp2 |= ((uitmp >> 16) & 0xff) << 0;
+		uitmp2 |= ((uitmp >> 24) & 0xff) << 8;
+		ret = hackrf_ctrl_msg(dev, CMD_BASEBAND_FILTER_BANDWIDTH_SET,
+				      uitmp1, uitmp2, NULL, 0);
+		if (ret)
+			goto err;
+	}
+
+	/* RX / TX RF frequency */
+	if (rx && test_and_clear_bit(RX_RF_FREQUENCY, &dev->flags)) {
+		dev_dbg(&intf->dev, "RX RF frequency=%u Hz\n", dev->f_rx);
+		uitmp1 = dev->f_rx / 1000000;
+		uitmp2 = dev->f_rx % 1000000;
+		set_bit(TX_RF_FREQUENCY, &dev->flags);
+	} else if (tx && test_and_clear_bit(TX_RF_FREQUENCY, &dev->flags)) {
+		dev_dbg(&intf->dev, "TX RF frequency=%u Hz\n", dev->f_tx);
+		uitmp1 = dev->f_tx / 1000000;
+		uitmp2 = dev->f_tx % 1000000;
+		set_bit(RX_RF_FREQUENCY, &dev->flags);
+	} else {
+		uitmp1 = uitmp2 = 0;
+	}
+	if (uitmp1 || uitmp2) {
+		buf[0] = (uitmp1 >>  0) & 0xff;
+		buf[1] = (uitmp1 >>  8) & 0xff;
+		buf[2] = (uitmp1 >> 16) & 0xff;
+		buf[3] = (uitmp1 >> 24) & 0xff;
+		buf[4] = (uitmp2 >>  0) & 0xff;
+		buf[5] = (uitmp2 >>  8) & 0xff;
+		buf[6] = (uitmp2 >> 16) & 0xff;
+		buf[7] = (uitmp2 >> 24) & 0xff;
+		ret = hackrf_ctrl_msg(dev, CMD_SET_FREQ, 0, 0, buf, 8);
+		if (ret)
+			goto err;
+	}
+
+	/* RX RF gain */
+	if (rx && test_and_clear_bit(RX_RF_GAIN, &dev->flags)) {
+		dev_dbg(&intf->dev, "RX RF gain val=%d->%d\n",
+			dev->rx_rf_gain->cur.val, dev->rx_rf_gain->val);
+
+		u8tmp = (dev->rx_rf_gain->val) ? 1 : 0;
+		ret = hackrf_ctrl_msg(dev, CMD_AMP_ENABLE, u8tmp, 0, NULL, 0);
+		if (ret)
+			goto err;
+		set_bit(TX_RF_GAIN, &dev->flags);
+	}
+
+	/* TX RF gain */
+	if (tx && test_and_clear_bit(TX_RF_GAIN, &dev->flags)) {
+		dev_dbg(&intf->dev, "TX RF gain val=%d->%d\n",
+			dev->tx_rf_gain->cur.val, dev->tx_rf_gain->val);
+
+		u8tmp = (dev->tx_rf_gain->val) ? 1 : 0;
+		ret = hackrf_ctrl_msg(dev, CMD_AMP_ENABLE, u8tmp, 0, NULL, 0);
+		if (ret)
+			goto err;
+		set_bit(RX_RF_GAIN, &dev->flags);
+	}
+
+	/* RX LNA gain */
+	if (rx && test_and_clear_bit(RX_LNA_GAIN, &dev->flags)) {
+		dev_dbg(dev->dev, "RX LNA gain val=%d->%d\n",
+			dev->rx_lna_gain->cur.val, dev->rx_lna_gain->val);
+
+		ret = hackrf_ctrl_msg(dev, CMD_SET_LNA_GAIN, 0,
+				      dev->rx_lna_gain->val, &u8tmp, 1);
+		if (ret)
+			goto err;
+	}
+
+	/* RX IF gain */
+	if (rx && test_and_clear_bit(RX_IF_GAIN, &dev->flags)) {
+		dev_dbg(&intf->dev, "IF gain val=%d->%d\n",
+			dev->rx_if_gain->cur.val, dev->rx_if_gain->val);
+
+		ret = hackrf_ctrl_msg(dev, CMD_SET_VGA_GAIN, 0,
+				      dev->rx_if_gain->val, &u8tmp, 1);
+		if (ret)
+			goto err;
+	}
+
+	/* TX LNA gain */
+	if (tx && test_and_clear_bit(TX_LNA_GAIN, &dev->flags)) {
+		dev_dbg(&intf->dev, "TX LNA gain val=%d->%d\n",
+			dev->tx_lna_gain->cur.val, dev->tx_lna_gain->val);
+
+		ret = hackrf_ctrl_msg(dev, CMD_SET_TXVGA_GAIN, 0,
+				      dev->tx_lna_gain->val, &u8tmp, 1);
+		if (ret)
+			goto err;
+	}
+
+	return 0;
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
+	return ret;
+}
+
 /* Private functions */
-static struct hackrf_frame_buf *hackrf_get_next_fill_buf(struct hackrf_dev *dev)
+static struct hackrf_buffer *hackrf_get_next_buffer(struct hackrf_dev *dev,
+						    struct list_head *buffer_list)
 {
 	unsigned long flags;
-	struct hackrf_frame_buf *buf = NULL;
+	struct hackrf_buffer *buffer = NULL;
 
-	spin_lock_irqsave(&dev->queued_bufs_lock, flags);
-	if (list_empty(&dev->queued_bufs))
+	spin_lock_irqsave(&dev->buffer_list_lock, flags);
+	if (list_empty(buffer_list))
 		goto leave;
 
-	buf = list_entry(dev->queued_bufs.next, struct hackrf_frame_buf, list);
-	list_del(&buf->list);
+	buffer = list_entry(buffer_list->next, struct hackrf_buffer, list);
+	list_del(&buffer->list);
 leave:
-	spin_unlock_irqrestore(&dev->queued_bufs_lock, flags);
-	return buf;
+	spin_unlock_irqrestore(&dev->buffer_list_lock, flags);
+	return buffer;
 }
 
-static unsigned int hackrf_convert_stream(struct hackrf_dev *dev,
-		void *dst, void *src, unsigned int src_len)
+static void hackrf_copy_stream(struct hackrf_dev *dev, void *dst, void *src,
+			       unsigned int src_len)
 {
 	memcpy(dst, src, src_len);
 
@@ -243,22 +481,21 @@ static unsigned int hackrf_convert_stream(struct hackrf_dev *dev,
 
 	/* total number of samples */
 	dev->sample += src_len / 2;
-
-	return src_len;
 }
 
 /*
  * This gets called for the bulk stream pipe. This is done in interrupt
  * time, so it has to be fast, not crash, and not stall. Neat.
  */
-static void hackrf_urb_complete(struct urb *urb)
+static void hackrf_urb_complete_in(struct urb *urb)
 {
 	struct hackrf_dev *dev = urb->context;
-	struct hackrf_frame_buf *fbuf;
+	struct usb_interface *intf = dev->intf;
+	struct hackrf_buffer *buffer;
+	unsigned int len;
 
-	dev_dbg_ratelimited(dev->dev, "status=%d length=%d/%d errors=%d\n",
-			urb->status, urb->actual_length,
-			urb->transfer_buffer_length, urb->error_count);
+	dev_dbg_ratelimited(&intf->dev, "status=%d length=%u/%u\n", urb->status,
+			    urb->actual_length, urb->transfer_buffer_length);
 
 	switch (urb->status) {
 	case 0:             /* success */
@@ -269,33 +506,74 @@ static void hackrf_urb_complete(struct urb *urb)
 	case -ESHUTDOWN:
 		return;
 	default:            /* error */
-		dev_err_ratelimited(dev->dev, "URB failed %d\n", urb->status);
-		break;
+		dev_err_ratelimited(&intf->dev, "URB failed %d\n", urb->status);
+		goto exit_usb_submit_urb;
 	}
 
-	if (likely(urb->actual_length > 0)) {
-		void *ptr;
-		unsigned int len;
-		/* get free framebuffer */
-		fbuf = hackrf_get_next_fill_buf(dev);
-		if (unlikely(fbuf == NULL)) {
-			dev->vb_full++;
-			dev_notice_ratelimited(dev->dev,
-					"videobuf is full, %d packets dropped\n",
-					dev->vb_full);
-			goto skip;
-		}
+	/* get buffer to write */
+	buffer = hackrf_get_next_buffer(dev, &dev->rx_buffer_list);
+	if (unlikely(buffer == NULL)) {
+		dev->vb_full++;
+		dev_notice_ratelimited(&intf->dev,
+				       "buffer is full - %u packets dropped\n",
+				       dev->vb_full);
+		goto exit_usb_submit_urb;
+	}
 
-		/* fill framebuffer */
-		ptr = vb2_plane_vaddr(&fbuf->vb, 0);
-		len = hackrf_convert_stream(dev, ptr, urb->transfer_buffer,
-				urb->actual_length);
-		vb2_set_plane_payload(&fbuf->vb, 0, len);
-		v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp);
-		fbuf->vb.v4l2_buf.sequence = dev->sequence++;
-		vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+	len = min_t(unsigned long, vb2_plane_size(&buffer->vb.vb2_buf, 0),
+		    urb->actual_length);
+	hackrf_copy_stream(dev, vb2_plane_vaddr(&buffer->vb.vb2_buf, 0),
+		    urb->transfer_buffer, len);
+	vb2_set_plane_payload(&buffer->vb.vb2_buf, 0, len);
+	buffer->vb.sequence = dev->sequence++;
+	v4l2_get_timestamp(&buffer->vb.timestamp);
+	vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
+exit_usb_submit_urb:
+	usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static void hackrf_urb_complete_out(struct urb *urb)
+{
+	struct hackrf_dev *dev = urb->context;
+	struct usb_interface *intf = dev->intf;
+	struct hackrf_buffer *buffer;
+	unsigned int len;
+
+	dev_dbg_ratelimited(&intf->dev, "status=%d length=%u/%u\n", urb->status,
+			    urb->actual_length, urb->transfer_buffer_length);
+
+	switch (urb->status) {
+	case 0:             /* success */
+	case -ETIMEDOUT:    /* NAK */
+		break;
+	case -ECONNRESET:   /* kill */
+	case -ENOENT:
+	case -ESHUTDOWN:
+		return;
+	default:            /* error */
+		dev_err_ratelimited(&intf->dev, "URB failed %d\n", urb->status);
 	}
-skip:
+
+	/* get buffer to read */
+	buffer = hackrf_get_next_buffer(dev, &dev->tx_buffer_list);
+	if (unlikely(buffer == NULL)) {
+		dev->vb_empty++;
+		dev_notice_ratelimited(&intf->dev,
+				       "buffer is empty - %u packets dropped\n",
+				       dev->vb_empty);
+		urb->actual_length = 0;
+		goto exit_usb_submit_urb;
+	}
+
+	len = min_t(unsigned long, urb->transfer_buffer_length,
+		    vb2_get_plane_payload(&buffer->vb.vb2_buf, 0));
+	hackrf_copy_stream(dev, urb->transfer_buffer,
+			   vb2_plane_vaddr(&buffer->vb.vb2_buf, 0), len);
+	urb->actual_length = len;
+	buffer->vb.sequence = dev->sequence++;
+	v4l2_get_timestamp(&buffer->vb.timestamp);
+	vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
+exit_usb_submit_urb:
 	usb_submit_urb(urb, GFP_ATOMIC);
 }
 
@@ -394,9 +672,19 @@ static int hackrf_free_urbs(struct hackrf_dev *dev)
 	return 0;
 }
 
-static int hackrf_alloc_urbs(struct hackrf_dev *dev)
+static int hackrf_alloc_urbs(struct hackrf_dev *dev, bool rcv)
 {
 	int i, j;
+	unsigned int pipe;
+	usb_complete_t complete;
+
+	if (rcv) {
+		pipe = usb_rcvbulkpipe(dev->udev, 0x81);
+		complete = &hackrf_urb_complete_in;
+	} else {
+		pipe = usb_sndbulkpipe(dev->udev, 0x02);
+		complete = &hackrf_urb_complete_out;
+	}
 
 	/* allocate the URBs */
 	for (i = 0; i < MAX_BULK_BUFS; i++) {
@@ -410,10 +698,10 @@ static int hackrf_alloc_urbs(struct hackrf_dev *dev)
 		}
 		usb_fill_bulk_urb(dev->urb_list[i],
 				dev->udev,
-				usb_rcvbulkpipe(dev->udev, 0x81),
+				pipe,
 				dev->buf_list[i],
 				BULK_BUFFER_SIZE,
-				hackrf_urb_complete, dev);
+				complete, dev);
 
 		dev->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 		dev->urb_list[i]->transfer_dma = dev->dma_addr[i];
@@ -423,25 +711,6 @@ static int hackrf_alloc_urbs(struct hackrf_dev *dev)
 	return 0;
 }
 
-/* Must be called with vb_queue_lock hold */
-static void hackrf_cleanup_queued_bufs(struct hackrf_dev *dev)
-{
-	unsigned long flags;
-
-	dev_dbg(dev->dev, "\n");
-
-	spin_lock_irqsave(&dev->queued_bufs_lock, flags);
-	while (!list_empty(&dev->queued_bufs)) {
-		struct hackrf_frame_buf *buf;
-
-		buf = list_entry(dev->queued_bufs.next,
-				struct hackrf_frame_buf, list);
-		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
-	}
-	spin_unlock_irqrestore(&dev->queued_bufs_lock, flags);
-}
-
 /* The user yanked out the cable... */
 static void hackrf_disconnect(struct usb_interface *intf)
 {
@@ -455,7 +724,8 @@ static void hackrf_disconnect(struct usb_interface *intf)
 	/* No need to keep the urbs around after disconnection */
 	dev->udev = NULL;
 	v4l2_device_disconnect(&dev->v4l2_dev);
-	video_unregister_device(&dev->vdev);
+	video_unregister_device(&dev->tx_vdev);
+	video_unregister_device(&dev->rx_vdev);
 	mutex_unlock(&dev->v4l2_lock);
 	mutex_unlock(&dev->vb_queue_lock);
 
@@ -463,8 +733,33 @@ static void hackrf_disconnect(struct usb_interface *intf)
 }
 
 /* Videobuf2 operations */
+static void hackrf_return_all_buffers(struct vb2_queue *vq,
+				      enum vb2_buffer_state state)
+{
+	struct hackrf_dev *dev = vb2_get_drv_priv(vq);
+	struct usb_interface *intf = dev->intf;
+	struct hackrf_buffer *buffer, *node;
+	struct list_head *buffer_list;
+	unsigned long flags;
+
+	dev_dbg(&intf->dev, "\n");
+
+	if (vq->type == V4L2_BUF_TYPE_SDR_CAPTURE)
+		buffer_list = &dev->rx_buffer_list;
+	else
+		buffer_list = &dev->tx_buffer_list;
+
+	spin_lock_irqsave(&dev->buffer_list_lock, flags);
+	list_for_each_entry_safe(buffer, node, buffer_list, list) {
+		dev_dbg(&intf->dev, "list_for_each_entry_safe\n");
+		vb2_buffer_done(&buffer->vb.vb2_buf, state);
+		list_del(&buffer->list);
+	}
+	spin_unlock_irqrestore(&dev->buffer_list_lock, flags);
+}
+
 static int hackrf_queue_setup(struct vb2_queue *vq,
-		const struct v4l2_format *fmt, unsigned int *nbuffers,
+		const void *parg, unsigned int *nbuffers,
 		unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
 {
 	struct hackrf_dev *dev = vb2_get_drv_priv(vq);
@@ -483,37 +778,62 @@ static int hackrf_queue_setup(struct vb2_queue *vq,
 
 static void hackrf_buf_queue(struct vb2_buffer *vb)
 {
-	struct hackrf_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct hackrf_frame_buf *buf =
-			container_of(vb, struct hackrf_frame_buf, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct vb2_queue *vq = vb->vb2_queue;
+	struct hackrf_dev *dev = vb2_get_drv_priv(vq);
+	struct hackrf_buffer *buffer = container_of(vbuf, struct hackrf_buffer, vb);
+	struct list_head *buffer_list;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dev->queued_bufs_lock, flags);
-	list_add_tail(&buf->list, &dev->queued_bufs);
-	spin_unlock_irqrestore(&dev->queued_bufs_lock, flags);
+	dev_dbg_ratelimited(&dev->intf->dev, "\n");
+
+	if (vq->type == V4L2_BUF_TYPE_SDR_CAPTURE)
+		buffer_list = &dev->rx_buffer_list;
+	else
+		buffer_list = &dev->tx_buffer_list;
+
+	spin_lock_irqsave(&dev->buffer_list_lock, flags);
+	list_add_tail(&buffer->list, buffer_list);
+	spin_unlock_irqrestore(&dev->buffer_list_lock, flags);
 }
 
 static int hackrf_start_streaming(struct vb2_queue *vq, unsigned int count)
 {
 	struct hackrf_dev *dev = vb2_get_drv_priv(vq);
+	struct usb_interface *intf = dev->intf;
 	int ret;
+	unsigned int mode;
 
-	dev_dbg(dev->dev, "\n");
-
-	if (!dev->udev)
-		return -ENODEV;
+	dev_dbg(&intf->dev, "count=%i\n", count);
 
 	mutex_lock(&dev->v4l2_lock);
 
-	dev->sequence = 0;
+	/* Allow only RX or TX, not both same time */
+	if (vq->type == V4L2_BUF_TYPE_SDR_CAPTURE) {
+		if (test_bit(TX_ON, &dev->flags)) {
+			ret = -EBUSY;
+			goto err_hackrf_return_all_buffers;
+		}
+
+		mode = 1;
+		set_bit(RX_ON, &dev->flags);
+	} else {
+		if (test_bit(RX_ON, &dev->flags)) {
+			ret = -EBUSY;
+			goto err_hackrf_return_all_buffers;
+		}
+
+		mode = 2;
+		set_bit(TX_ON, &dev->flags);
+	}
 
-	set_bit(POWER_ON, &dev->flags);
+	dev->sequence = 0;
 
 	ret = hackrf_alloc_stream_bufs(dev);
 	if (ret)
 		goto err;
 
-	ret = hackrf_alloc_urbs(dev);
+	ret = hackrf_alloc_urbs(dev, (mode == 1));
 	if (ret)
 		goto err;
 
@@ -521,39 +841,37 @@ static int hackrf_start_streaming(struct vb2_queue *vq, unsigned int count)
 	if (ret)
 		goto err;
 
+	ret = hackrf_set_params(dev);
+	if (ret)
+		goto err;
+
 	/* start hardware streaming */
-	ret = hackrf_ctrl_msg(dev, CMD_SET_TRANSCEIVER_MODE, 1, 0, NULL, 0);
+	ret = hackrf_ctrl_msg(dev, CMD_SET_TRANSCEIVER_MODE, mode, 0, NULL, 0);
 	if (ret)
 		goto err;
 
-	goto exit_mutex_unlock;
+	mutex_unlock(&dev->v4l2_lock);
+
+	return 0;
 err:
 	hackrf_kill_urbs(dev);
 	hackrf_free_urbs(dev);
 	hackrf_free_stream_bufs(dev);
-	clear_bit(POWER_ON, &dev->flags);
-
-	/* return all queued buffers to vb2 */
-	{
-		struct hackrf_frame_buf *buf, *tmp;
-
-		list_for_each_entry_safe(buf, tmp, &dev->queued_bufs, list) {
-			list_del(&buf->list);
-			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
-		}
-	}
-
-exit_mutex_unlock:
+	clear_bit(RX_ON, &dev->flags);
+	clear_bit(TX_ON, &dev->flags);
+err_hackrf_return_all_buffers:
+	hackrf_return_all_buffers(vq, VB2_BUF_STATE_QUEUED);
 	mutex_unlock(&dev->v4l2_lock);
-
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
 static void hackrf_stop_streaming(struct vb2_queue *vq)
 {
 	struct hackrf_dev *dev = vb2_get_drv_priv(vq);
+	struct usb_interface *intf = dev->intf;
 
-	dev_dbg(dev->dev, "\n");
+	dev_dbg(&intf->dev, "\n");
 
 	mutex_lock(&dev->v4l2_lock);
 
@@ -564,9 +882,12 @@ static void hackrf_stop_streaming(struct vb2_queue *vq)
 	hackrf_free_urbs(dev);
 	hackrf_free_stream_bufs(dev);
 
-	hackrf_cleanup_queued_bufs(dev);
+	hackrf_return_all_buffers(vq, VB2_BUF_STATE_ERROR);
 
-	clear_bit(POWER_ON, &dev->flags);
+	if (vq->type == V4L2_BUF_TYPE_SDR_CAPTURE)
+		clear_bit(RX_ON, &dev->flags);
+	else
+		clear_bit(TX_ON, &dev->flags);
 
 	mutex_unlock(&dev->v4l2_lock);
 }
@@ -584,29 +905,46 @@ static int hackrf_querycap(struct file *file, void *fh,
 		struct v4l2_capability *cap)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
+	struct usb_interface *intf = dev->intf;
+	struct video_device *vdev = video_devdata(file);
 
-	dev_dbg(dev->dev, "\n");
+	dev_dbg(&intf->dev, "\n");
+
+	if (vdev->vfl_dir == VFL_DIR_RX)
+		cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER |
+				   V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
 
+	else
+		cap->device_caps = V4L2_CAP_SDR_OUTPUT | V4L2_CAP_MODULATOR |
+				   V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+
+	cap->capabilities = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER |
+			    V4L2_CAP_SDR_OUTPUT | V4L2_CAP_MODULATOR |
+			    V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+			    V4L2_CAP_DEVICE_CAPS;
 	strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
-	strlcpy(cap->card, dev->vdev.name, sizeof(cap->card));
+	strlcpy(cap->card, dev->rx_vdev.name, sizeof(cap->card));
 	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
-	cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
-			V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
-	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
 
 	return 0;
 }
 
-static int hackrf_s_fmt_sdr_cap(struct file *file, void *priv,
-		struct v4l2_format *f)
+static int hackrf_s_fmt_sdr(struct file *file, void *priv,
+			    struct v4l2_format *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
-	struct vb2_queue *q = &dev->vb_queue;
+	struct video_device *vdev = video_devdata(file);
+	struct vb2_queue *q;
 	int i;
 
 	dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n",
 			(char *)&f->fmt.sdr.pixelformat);
 
+	if (vdev->vfl_dir == VFL_DIR_RX)
+		q = &dev->rx_vb2_queue;
+	else
+		q = &dev->tx_vb2_queue;
+
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
@@ -628,8 +966,8 @@ static int hackrf_s_fmt_sdr_cap(struct file *file, void *priv,
 	return 0;
 }
 
-static int hackrf_g_fmt_sdr_cap(struct file *file, void *priv,
-		struct v4l2_format *f)
+static int hackrf_g_fmt_sdr(struct file *file, void *priv,
+			    struct v4l2_format *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
 
@@ -643,8 +981,8 @@ static int hackrf_g_fmt_sdr_cap(struct file *file, void *priv,
 	return 0;
 }
 
-static int hackrf_try_fmt_sdr_cap(struct file *file, void *priv,
-		struct v4l2_format *f)
+static int hackrf_try_fmt_sdr(struct file *file, void *priv,
+			      struct v4l2_format *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
 	int i;
@@ -666,8 +1004,8 @@ static int hackrf_try_fmt_sdr_cap(struct file *file, void *priv,
 	return 0;
 }
 
-static int hackrf_enum_fmt_sdr_cap(struct file *file, void *priv,
-		struct v4l2_fmtdesc *f)
+static int hackrf_enum_fmt_sdr(struct file *file, void *priv,
+			       struct v4l2_fmtdesc *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
 
@@ -676,7 +1014,6 @@ static int hackrf_enum_fmt_sdr_cap(struct file *file, void *priv,
 	if (f->index >= NUM_FORMATS)
 		return -EINVAL;
 
-	strlcpy(f->description, formats[f->index].name, sizeof(f->description));
 	f->pixelformat = formats[f->index].pixelformat;
 
 	return 0;
@@ -709,17 +1046,56 @@ static int hackrf_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
 
 	if (v->index == 0) {
 		strlcpy(v->name, "HackRF ADC", sizeof(v->name));
-		v->type = V4L2_TUNER_ADC;
+		v->type = V4L2_TUNER_SDR;
 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
-		v->rangelow  = bands_adc[0].rangelow;
-		v->rangehigh = bands_adc[0].rangehigh;
+		v->rangelow  = bands_adc_dac[0].rangelow;
+		v->rangehigh = bands_adc_dac[0].rangehigh;
 		ret = 0;
 	} else if (v->index == 1) {
 		strlcpy(v->name, "HackRF RF", sizeof(v->name));
 		v->type = V4L2_TUNER_RF;
 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
-		v->rangelow  = bands_rf[0].rangelow;
-		v->rangehigh = bands_rf[0].rangehigh;
+		v->rangelow  = bands_rx_tx[0].rangelow;
+		v->rangehigh = bands_rx_tx[0].rangehigh;
+		ret = 0;
+	} else {
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int hackrf_s_modulator(struct file *file, void *fh,
+			      const struct v4l2_modulator *a)
+{
+	struct hackrf_dev *dev = video_drvdata(file);
+
+	dev_dbg(dev->dev, "index=%d\n", a->index);
+
+	return a->index > 1 ? -EINVAL : 0;
+}
+
+static int hackrf_g_modulator(struct file *file, void *fh,
+			      struct v4l2_modulator *a)
+{
+	struct hackrf_dev *dev = video_drvdata(file);
+	int ret;
+
+	dev_dbg(dev->dev, "index=%d\n", a->index);
+
+	if (a->index == 0) {
+		strlcpy(a->name, "HackRF DAC", sizeof(a->name));
+		a->type = V4L2_TUNER_SDR;
+		a->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+		a->rangelow  = bands_adc_dac[0].rangelow;
+		a->rangehigh = bands_adc_dac[0].rangehigh;
+		ret = 0;
+	} else if (a->index == 1) {
+		strlcpy(a->name, "HackRF RF", sizeof(a->name));
+		a->type = V4L2_TUNER_RF;
+		a->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+		a->rangelow  = bands_rx_tx[0].rangelow;
+		a->rangehigh = bands_rx_tx[0].rangehigh;
 		ret = 0;
 	} else {
 		ret = -EINVAL;
@@ -732,47 +1108,46 @@ static int hackrf_s_frequency(struct file *file, void *priv,
 		const struct v4l2_frequency *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
+	struct usb_interface *intf = dev->intf;
+	struct video_device *vdev = video_devdata(file);
 	int ret;
-	unsigned int upper, lower;
-	u8 buf[8];
+	unsigned int uitmp;
 
-	dev_dbg(dev->dev, "tuner=%d type=%d frequency=%u\n",
+	dev_dbg(&intf->dev, "tuner=%d type=%d frequency=%u\n",
 			f->tuner, f->type, f->frequency);
 
 	if (f->tuner == 0) {
-		dev->f_adc = clamp_t(unsigned int, f->frequency,
-				bands_adc[0].rangelow, bands_adc[0].rangehigh);
-		dev_dbg(dev->dev, "ADC frequency=%u Hz\n", dev->f_adc);
-		upper = dev->f_adc;
-		lower = 1;
-		buf[0] = (upper >>  0) & 0xff;
-		buf[1] = (upper >>  8) & 0xff;
-		buf[2] = (upper >> 16) & 0xff;
-		buf[3] = (upper >> 24) & 0xff;
-		buf[4] = (lower >>  0) & 0xff;
-		buf[5] = (lower >>  8) & 0xff;
-		buf[6] = (lower >> 16) & 0xff;
-		buf[7] = (lower >> 24) & 0xff;
-		ret = hackrf_ctrl_msg(dev, CMD_SAMPLE_RATE_SET, 0, 0, buf, 8);
+		uitmp = clamp(f->frequency, bands_adc_dac[0].rangelow,
+			      bands_adc_dac[0].rangehigh);
+		if (vdev->vfl_dir == VFL_DIR_RX) {
+			dev->f_adc = uitmp;
+			set_bit(RX_ADC_FREQUENCY, &dev->flags);
+		} else {
+			dev->f_dac = uitmp;
+			set_bit(TX_DAC_FREQUENCY, &dev->flags);
+		}
 	} else if (f->tuner == 1) {
-		dev->f_rf = clamp_t(unsigned int, f->frequency,
-				bands_rf[0].rangelow, bands_rf[0].rangehigh);
-		dev_dbg(dev->dev, "RF frequency=%u Hz\n", dev->f_rf);
-		upper = dev->f_rf / 1000000;
-		lower = dev->f_rf % 1000000;
-		buf[0] = (upper >>  0) & 0xff;
-		buf[1] = (upper >>  8) & 0xff;
-		buf[2] = (upper >> 16) & 0xff;
-		buf[3] = (upper >> 24) & 0xff;
-		buf[4] = (lower >>  0) & 0xff;
-		buf[5] = (lower >>  8) & 0xff;
-		buf[6] = (lower >> 16) & 0xff;
-		buf[7] = (lower >> 24) & 0xff;
-		ret = hackrf_ctrl_msg(dev, CMD_SET_FREQ, 0, 0, buf, 8);
+		uitmp = clamp(f->frequency, bands_rx_tx[0].rangelow,
+			      bands_rx_tx[0].rangehigh);
+		if (vdev->vfl_dir == VFL_DIR_RX) {
+			dev->f_rx = uitmp;
+			set_bit(RX_RF_FREQUENCY, &dev->flags);
+		} else {
+			dev->f_tx = uitmp;
+			set_bit(TX_RF_FREQUENCY, &dev->flags);
+		}
 	} else {
 		ret = -EINVAL;
+		goto err;
 	}
 
+	ret = hackrf_set_params(dev);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
@@ -780,22 +1155,32 @@ static int hackrf_g_frequency(struct file *file, void *priv,
 		struct v4l2_frequency *f)
 {
 	struct hackrf_dev *dev = video_drvdata(file);
+	struct usb_interface *intf = dev->intf;
+	struct video_device *vdev = video_devdata(file);
 	int ret;
 
 	dev_dbg(dev->dev, "tuner=%d type=%d\n", f->tuner, f->type);
 
 	if (f->tuner == 0) {
-		f->type = V4L2_TUNER_ADC;
-		f->frequency = dev->f_adc;
-		ret = 0;
+		f->type = V4L2_TUNER_SDR;
+		if (vdev->vfl_dir == VFL_DIR_RX)
+			f->frequency = dev->f_adc;
+		else
+			f->frequency = dev->f_dac;
 	} else if (f->tuner == 1) {
 		f->type = V4L2_TUNER_RF;
-		f->frequency = dev->f_rf;
-		ret = 0;
+		if (vdev->vfl_dir == VFL_DIR_RX)
+			f->frequency = dev->f_rx;
+		else
+			f->frequency = dev->f_tx;
 	} else {
 		ret = -EINVAL;
+		goto err;
 	}
 
+	return 0;
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
@@ -809,17 +1194,17 @@ static int hackrf_enum_freq_bands(struct file *file, void *priv,
 			band->tuner, band->type, band->index);
 
 	if (band->tuner == 0) {
-		if (band->index >= ARRAY_SIZE(bands_adc)) {
+		if (band->index >= ARRAY_SIZE(bands_adc_dac)) {
 			ret = -EINVAL;
 		} else {
-			*band = bands_adc[band->index];
+			*band = bands_adc_dac[band->index];
 			ret = 0;
 		}
 	} else if (band->tuner == 1) {
-		if (band->index >= ARRAY_SIZE(bands_rf)) {
+		if (band->index >= ARRAY_SIZE(bands_rx_tx)) {
 			ret = -EINVAL;
 		} else {
-			*band = bands_rf[band->index];
+			*band = bands_rx_tx[band->index];
 			ret = 0;
 		}
 	} else {
@@ -832,10 +1217,15 @@ static int hackrf_enum_freq_bands(struct file *file, void *priv,
 static const struct v4l2_ioctl_ops hackrf_ioctl_ops = {
 	.vidioc_querycap          = hackrf_querycap,
 
-	.vidioc_s_fmt_sdr_cap     = hackrf_s_fmt_sdr_cap,
-	.vidioc_g_fmt_sdr_cap     = hackrf_g_fmt_sdr_cap,
-	.vidioc_enum_fmt_sdr_cap  = hackrf_enum_fmt_sdr_cap,
-	.vidioc_try_fmt_sdr_cap   = hackrf_try_fmt_sdr_cap,
+	.vidioc_s_fmt_sdr_cap     = hackrf_s_fmt_sdr,
+	.vidioc_g_fmt_sdr_cap     = hackrf_g_fmt_sdr,
+	.vidioc_enum_fmt_sdr_cap  = hackrf_enum_fmt_sdr,
+	.vidioc_try_fmt_sdr_cap   = hackrf_try_fmt_sdr,
+
+	.vidioc_s_fmt_sdr_out     = hackrf_s_fmt_sdr,
+	.vidioc_g_fmt_sdr_out     = hackrf_g_fmt_sdr,
+	.vidioc_enum_fmt_sdr_out  = hackrf_enum_fmt_sdr,
+	.vidioc_try_fmt_sdr_out   = hackrf_try_fmt_sdr,
 
 	.vidioc_reqbufs           = vb2_ioctl_reqbufs,
 	.vidioc_create_bufs       = vb2_ioctl_create_bufs,
@@ -843,6 +1233,7 @@ static const struct v4l2_ioctl_ops hackrf_ioctl_ops = {
 	.vidioc_querybuf          = vb2_ioctl_querybuf,
 	.vidioc_qbuf              = vb2_ioctl_qbuf,
 	.vidioc_dqbuf             = vb2_ioctl_dqbuf,
+	.vidioc_expbuf            = vb2_ioctl_expbuf,
 
 	.vidioc_streamon          = vb2_ioctl_streamon,
 	.vidioc_streamoff         = vb2_ioctl_streamoff,
@@ -850,6 +1241,9 @@ static const struct v4l2_ioctl_ops hackrf_ioctl_ops = {
 	.vidioc_s_tuner           = hackrf_s_tuner,
 	.vidioc_g_tuner           = hackrf_g_tuner,
 
+	.vidioc_s_modulator       = hackrf_s_modulator,
+	.vidioc_g_modulator       = hackrf_g_modulator,
+
 	.vidioc_s_frequency       = hackrf_s_frequency,
 	.vidioc_g_frequency       = hackrf_g_frequency,
 	.vidioc_enum_freq_bands   = hackrf_enum_freq_bands,
@@ -864,6 +1258,7 @@ static const struct v4l2_file_operations hackrf_fops = {
 	.open                     = v4l2_fh_open,
 	.release                  = vb2_fop_release,
 	.read                     = vb2_fop_read,
+	.write                    = vb2_fop_write,
 	.poll                     = vb2_fop_poll,
 	.mmap                     = vb2_fop_mmap,
 	.unlocked_ioctl           = video_ioctl2,
@@ -880,135 +1275,93 @@ static void hackrf_video_release(struct v4l2_device *v)
 {
 	struct hackrf_dev *dev = container_of(v, struct hackrf_dev, v4l2_dev);
 
-	v4l2_ctrl_handler_free(&dev->hdl);
+	dev_dbg(dev->dev, "\n");
+
+	v4l2_ctrl_handler_free(&dev->rx_ctrl_handler);
+	v4l2_ctrl_handler_free(&dev->tx_ctrl_handler);
 	v4l2_device_unregister(&dev->v4l2_dev);
 	kfree(dev);
 }
 
-static int hackrf_set_bandwidth(struct hackrf_dev *dev)
-{
-	int ret, i;
-	u16 u16tmp, u16tmp2;
-	unsigned int bandwidth;
-
-	static const struct {
-		u32 freq;
-	} bandwidth_lut[] = {
-		{ 1750000}, /*  1.75 MHz */
-		{ 2500000}, /*  2.5  MHz */
-		{ 3500000}, /*  3.5  MHz */
-		{ 5000000}, /*  5    MHz */
-		{ 5500000}, /*  5.5  MHz */
-		{ 6000000}, /*  6    MHz */
-		{ 7000000}, /*  7    MHz */
-		{ 8000000}, /*  8    MHz */
-		{ 9000000}, /*  9    MHz */
-		{10000000}, /* 10    MHz */
-		{12000000}, /* 12    MHz */
-		{14000000}, /* 14    MHz */
-		{15000000}, /* 15    MHz */
-		{20000000}, /* 20    MHz */
-		{24000000}, /* 24    MHz */
-		{28000000}, /* 28    MHz */
-	};
-
-	dev_dbg(dev->dev, "bandwidth auto=%d->%d val=%d->%d f_adc=%u\n",
-			dev->bandwidth_auto->cur.val,
-			dev->bandwidth_auto->val, dev->bandwidth->cur.val,
-			dev->bandwidth->val, dev->f_adc);
-
-	if (dev->bandwidth_auto->val == true)
-		bandwidth = dev->f_adc;
-	else
-		bandwidth = dev->bandwidth->val;
-
-	for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
-		if (bandwidth <= bandwidth_lut[i].freq) {
-			bandwidth = bandwidth_lut[i].freq;
-			break;
-		}
-	}
-
-	dev->bandwidth->val = bandwidth;
-	dev->bandwidth->cur.val = bandwidth;
-
-	dev_dbg(dev->dev, "bandwidth selected=%d\n", bandwidth);
-
-	u16tmp = 0;
-	u16tmp |= ((bandwidth >> 0) & 0xff) << 0;
-	u16tmp |= ((bandwidth >> 8) & 0xff) << 8;
-	u16tmp2 = 0;
-	u16tmp2 |= ((bandwidth >> 16) & 0xff) << 0;
-	u16tmp2 |= ((bandwidth >> 24) & 0xff) << 8;
-
-	ret = hackrf_ctrl_msg(dev, CMD_BASEBAND_FILTER_BANDWIDTH_SET,
-				u16tmp, u16tmp2, NULL, 0);
-	if (ret)
-		dev_dbg(dev->dev, "failed=%d\n", ret);
-
-	return ret;
-}
-
-static int hackrf_set_lna_gain(struct hackrf_dev *dev)
-{
-	int ret;
-	u8 u8tmp;
-
-	dev_dbg(dev->dev, "lna val=%d->%d\n",
-			dev->lna_gain->cur.val, dev->lna_gain->val);
-
-	ret = hackrf_ctrl_msg(dev, CMD_SET_LNA_GAIN, 0, dev->lna_gain->val,
-			&u8tmp, 1);
-	if (ret)
-		dev_dbg(dev->dev, "failed=%d\n", ret);
-
-	return ret;
-}
-
-static int hackrf_set_if_gain(struct hackrf_dev *dev)
+static int hackrf_s_ctrl_rx(struct v4l2_ctrl *ctrl)
 {
+	struct hackrf_dev *dev = container_of(ctrl->handler,
+			struct hackrf_dev, rx_ctrl_handler);
+	struct usb_interface *intf = dev->intf;
 	int ret;
-	u8 u8tmp;
 
-	dev_dbg(dev->dev, "val=%d->%d\n",
-			dev->if_gain->cur.val, dev->if_gain->val);
+	switch (ctrl->id) {
+	case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
+	case V4L2_CID_RF_TUNER_BANDWIDTH:
+		set_bit(RX_BANDWIDTH, &dev->flags);
+		break;
+	case  V4L2_CID_RF_TUNER_RF_GAIN:
+		set_bit(RX_RF_GAIN, &dev->flags);
+		break;
+	case  V4L2_CID_RF_TUNER_LNA_GAIN:
+		set_bit(RX_LNA_GAIN, &dev->flags);
+		break;
+	case  V4L2_CID_RF_TUNER_IF_GAIN:
+		set_bit(RX_IF_GAIN, &dev->flags);
+		break;
+	default:
+		dev_dbg(&intf->dev, "unknown ctrl: id=%d name=%s\n",
+			ctrl->id, ctrl->name);
+		ret = -EINVAL;
+		goto err;
+	}
 
-	ret = hackrf_ctrl_msg(dev, CMD_SET_VGA_GAIN, 0, dev->if_gain->val,
-			&u8tmp, 1);
+	ret = hackrf_set_params(dev);
 	if (ret)
-		dev_dbg(dev->dev, "failed=%d\n", ret);
+		goto err;
 
+	return 0;
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
-static int hackrf_s_ctrl(struct v4l2_ctrl *ctrl)
+static int hackrf_s_ctrl_tx(struct v4l2_ctrl *ctrl)
 {
 	struct hackrf_dev *dev = container_of(ctrl->handler,
-			struct hackrf_dev, hdl);
+			struct hackrf_dev, tx_ctrl_handler);
+	struct usb_interface *intf = dev->intf;
 	int ret;
 
 	switch (ctrl->id) {
 	case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
 	case V4L2_CID_RF_TUNER_BANDWIDTH:
-		ret = hackrf_set_bandwidth(dev);
+		set_bit(TX_BANDWIDTH, &dev->flags);
 		break;
 	case  V4L2_CID_RF_TUNER_LNA_GAIN:
-		ret = hackrf_set_lna_gain(dev);
+		set_bit(TX_LNA_GAIN, &dev->flags);
 		break;
-	case  V4L2_CID_RF_TUNER_IF_GAIN:
-		ret = hackrf_set_if_gain(dev);
+	case  V4L2_CID_RF_TUNER_RF_GAIN:
+		set_bit(TX_RF_GAIN, &dev->flags);
 		break;
 	default:
-		dev_dbg(dev->dev, "unknown ctrl: id=%d name=%s\n",
-				ctrl->id, ctrl->name);
+		dev_dbg(&intf->dev, "unknown ctrl: id=%d name=%s\n",
+			ctrl->id, ctrl->name);
 		ret = -EINVAL;
+		goto err;
 	}
 
+	ret = hackrf_set_params(dev);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
-static const struct v4l2_ctrl_ops hackrf_ctrl_ops = {
-	.s_ctrl = hackrf_s_ctrl,
+static const struct v4l2_ctrl_ops hackrf_ctrl_ops_rx = {
+	.s_ctrl = hackrf_s_ctrl_rx,
+};
+
+static const struct v4l2_ctrl_ops hackrf_ctrl_ops_tx = {
+	.s_ctrl = hackrf_s_ctrl_tx,
 };
 
 static int hackrf_probe(struct usb_interface *intf,
@@ -1019,19 +1372,29 @@ static int hackrf_probe(struct usb_interface *intf,
 	u8 u8tmp, buf[BUF_SIZE];
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (dev == NULL)
-		return -ENOMEM;
+	if (!dev) {
+		ret = -ENOMEM;
+		goto err;
+	}
 
 	mutex_init(&dev->v4l2_lock);
 	mutex_init(&dev->vb_queue_lock);
-	spin_lock_init(&dev->queued_bufs_lock);
-	INIT_LIST_HEAD(&dev->queued_bufs);
+	spin_lock_init(&dev->buffer_list_lock);
+	INIT_LIST_HEAD(&dev->rx_buffer_list);
+	INIT_LIST_HEAD(&dev->tx_buffer_list);
+	dev->intf = intf;
 	dev->dev = &intf->dev;
 	dev->udev = interface_to_usbdev(intf);
-	dev->f_adc = bands_adc[0].rangelow;
-	dev->f_rf = bands_rf[0].rangelow;
 	dev->pixelformat = formats[0].pixelformat;
 	dev->buffersize = formats[0].buffersize;
+	dev->f_adc = bands_adc_dac[0].rangelow;
+	dev->f_dac = bands_adc_dac[0].rangelow;
+	dev->f_rx = bands_rx_tx[0].rangelow;
+	dev->f_tx = bands_rx_tx[0].rangelow;
+	set_bit(RX_ADC_FREQUENCY, &dev->flags);
+	set_bit(TX_DAC_FREQUENCY, &dev->flags);
+	set_bit(RX_RF_FREQUENCY, &dev->flags);
+	set_bit(TX_RF_FREQUENCY, &dev->flags);
 
 	/* Detect device */
 	ret = hackrf_ctrl_msg(dev, CMD_BOARD_ID_READ, 0, 0, &u8tmp, 1);
@@ -1040,83 +1403,145 @@ static int hackrf_probe(struct usb_interface *intf,
 				buf, BUF_SIZE);
 	if (ret) {
 		dev_err(dev->dev, "Could not detect board\n");
-		goto err_free_mem;
+		goto err_kfree;
 	}
 
 	buf[BUF_SIZE - 1] = '\0';
-
 	dev_info(dev->dev, "Board ID: %02x\n", u8tmp);
 	dev_info(dev->dev, "Firmware version: %s\n", buf);
 
-	/* Init videobuf2 queue structure */
-	dev->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
-	dev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
-	dev->vb_queue.drv_priv = dev;
-	dev->vb_queue.buf_struct_size = sizeof(struct hackrf_frame_buf);
-	dev->vb_queue.ops = &hackrf_vb2_ops;
-	dev->vb_queue.mem_ops = &vb2_vmalloc_memops;
-	dev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	ret = vb2_queue_init(&dev->vb_queue);
+	/* Init vb2 queue structure for receiver */
+	dev->rx_vb2_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
+	dev->rx_vb2_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF |
+				     VB2_READ;
+	dev->rx_vb2_queue.ops = &hackrf_vb2_ops;
+	dev->rx_vb2_queue.mem_ops = &vb2_vmalloc_memops;
+	dev->rx_vb2_queue.drv_priv = dev;
+	dev->rx_vb2_queue.buf_struct_size = sizeof(struct hackrf_buffer);
+	dev->rx_vb2_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	ret = vb2_queue_init(&dev->rx_vb2_queue);
 	if (ret) {
-		dev_err(dev->dev, "Could not initialize vb2 queue\n");
-		goto err_free_mem;
+		dev_err(dev->dev, "Could not initialize rx vb2 queue\n");
+		goto err_kfree;
 	}
 
-	/* Init video_device structure */
-	dev->vdev = hackrf_template;
-	dev->vdev.queue = &dev->vb_queue;
-	dev->vdev.queue->lock = &dev->vb_queue_lock;
-	video_set_drvdata(&dev->vdev, dev);
+	/* Init vb2 queue structure for transmitter */
+	dev->tx_vb2_queue.type = V4L2_BUF_TYPE_SDR_OUTPUT;
+	dev->tx_vb2_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF |
+				     VB2_WRITE;
+	dev->tx_vb2_queue.ops = &hackrf_vb2_ops;
+	dev->tx_vb2_queue.mem_ops = &vb2_vmalloc_memops;
+	dev->tx_vb2_queue.drv_priv = dev;
+	dev->tx_vb2_queue.buf_struct_size = sizeof(struct hackrf_buffer);
+	dev->tx_vb2_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	ret = vb2_queue_init(&dev->tx_vb2_queue);
+	if (ret) {
+		dev_err(dev->dev, "Could not initialize tx vb2 queue\n");
+		goto err_kfree;
+	}
+
+	/* Register controls for receiver */
+	v4l2_ctrl_handler_init(&dev->rx_ctrl_handler, 5);
+	dev->rx_bandwidth_auto = v4l2_ctrl_new_std(&dev->rx_ctrl_handler,
+		&hackrf_ctrl_ops_rx, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO,
+		0, 1, 0, 1);
+	dev->rx_bandwidth = v4l2_ctrl_new_std(&dev->rx_ctrl_handler,
+		&hackrf_ctrl_ops_rx, V4L2_CID_RF_TUNER_BANDWIDTH,
+		1750000, 28000000, 50000, 1750000);
+	v4l2_ctrl_auto_cluster(2, &dev->rx_bandwidth_auto, 0, false);
+	dev->rx_rf_gain = v4l2_ctrl_new_std(&dev->rx_ctrl_handler,
+		&hackrf_ctrl_ops_rx, V4L2_CID_RF_TUNER_RF_GAIN, 0, 12, 12, 0);
+	dev->rx_lna_gain = v4l2_ctrl_new_std(&dev->rx_ctrl_handler,
+		&hackrf_ctrl_ops_rx, V4L2_CID_RF_TUNER_LNA_GAIN, 0, 40, 8, 0);
+	dev->rx_if_gain = v4l2_ctrl_new_std(&dev->rx_ctrl_handler,
+		&hackrf_ctrl_ops_rx, V4L2_CID_RF_TUNER_IF_GAIN, 0, 62, 2, 0);
+	if (dev->rx_ctrl_handler.error) {
+		ret = dev->rx_ctrl_handler.error;
+		dev_err(dev->dev, "Could not initialize controls\n");
+		goto err_v4l2_ctrl_handler_free_rx;
+	}
+	v4l2_ctrl_grab(dev->rx_rf_gain, !hackrf_enable_rf_gain_ctrl);
+	v4l2_ctrl_handler_setup(&dev->rx_ctrl_handler);
+
+	/* Register controls for transmitter */
+	v4l2_ctrl_handler_init(&dev->tx_ctrl_handler, 4);
+	dev->tx_bandwidth_auto = v4l2_ctrl_new_std(&dev->tx_ctrl_handler,
+		&hackrf_ctrl_ops_tx, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO,
+		0, 1, 0, 1);
+	dev->tx_bandwidth = v4l2_ctrl_new_std(&dev->tx_ctrl_handler,
+		&hackrf_ctrl_ops_tx, V4L2_CID_RF_TUNER_BANDWIDTH,
+		1750000, 28000000, 50000, 1750000);
+	v4l2_ctrl_auto_cluster(2, &dev->tx_bandwidth_auto, 0, false);
+	dev->tx_lna_gain = v4l2_ctrl_new_std(&dev->tx_ctrl_handler,
+		&hackrf_ctrl_ops_tx, V4L2_CID_RF_TUNER_LNA_GAIN, 0, 47, 1, 0);
+	dev->tx_rf_gain = v4l2_ctrl_new_std(&dev->tx_ctrl_handler,
+		&hackrf_ctrl_ops_tx, V4L2_CID_RF_TUNER_RF_GAIN, 0, 15, 15, 0);
+	if (dev->tx_ctrl_handler.error) {
+		ret = dev->tx_ctrl_handler.error;
+		dev_err(dev->dev, "Could not initialize controls\n");
+		goto err_v4l2_ctrl_handler_free_tx;
+	}
+	v4l2_ctrl_grab(dev->tx_rf_gain, !hackrf_enable_rf_gain_ctrl);
+	v4l2_ctrl_handler_setup(&dev->tx_ctrl_handler);
 
 	/* Register the v4l2_device structure */
 	dev->v4l2_dev.release = hackrf_video_release;
 	ret = v4l2_device_register(&intf->dev, &dev->v4l2_dev);
 	if (ret) {
 		dev_err(dev->dev, "Failed to register v4l2-device (%d)\n", ret);
-		goto err_free_mem;
+		goto err_v4l2_ctrl_handler_free_tx;
 	}
 
-	/* Register controls */
-	v4l2_ctrl_handler_init(&dev->hdl, 4);
-	dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, &hackrf_ctrl_ops,
-			V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
-	dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, &hackrf_ctrl_ops,
-			V4L2_CID_RF_TUNER_BANDWIDTH,
-			1750000, 28000000, 50000, 1750000);
-	v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false);
-	dev->lna_gain = v4l2_ctrl_new_std(&dev->hdl, &hackrf_ctrl_ops,
-			V4L2_CID_RF_TUNER_LNA_GAIN, 0, 40, 8, 0);
-	dev->if_gain = v4l2_ctrl_new_std(&dev->hdl, &hackrf_ctrl_ops,
-			V4L2_CID_RF_TUNER_IF_GAIN, 0, 62, 2, 0);
-	if (dev->hdl.error) {
-		ret = dev->hdl.error;
-		dev_err(dev->dev, "Could not initialize controls\n");
-		goto err_free_controls;
+	/* Init video_device structure for receiver */
+	dev->rx_vdev = hackrf_template;
+	dev->rx_vdev.queue = &dev->rx_vb2_queue;
+	dev->rx_vdev.queue->lock = &dev->vb_queue_lock;
+	dev->rx_vdev.v4l2_dev = &dev->v4l2_dev;
+	dev->rx_vdev.ctrl_handler = &dev->rx_ctrl_handler;
+	dev->rx_vdev.lock = &dev->v4l2_lock;
+	dev->rx_vdev.vfl_dir = VFL_DIR_RX;
+	video_set_drvdata(&dev->rx_vdev, dev);
+	ret = video_register_device(&dev->rx_vdev, VFL_TYPE_SDR, -1);
+	if (ret) {
+		dev_err(dev->dev,
+			"Failed to register as video device (%d)\n", ret);
+		goto err_v4l2_device_unregister;
 	}
-
-	v4l2_ctrl_handler_setup(&dev->hdl);
-
-	dev->v4l2_dev.ctrl_handler = &dev->hdl;
-	dev->vdev.v4l2_dev = &dev->v4l2_dev;
-	dev->vdev.lock = &dev->v4l2_lock;
-
-	ret = video_register_device(&dev->vdev, VFL_TYPE_SDR, -1);
+	dev_info(dev->dev, "Registered as %s\n",
+		 video_device_node_name(&dev->rx_vdev));
+
+	/* Init video_device structure for transmitter */
+	dev->tx_vdev = hackrf_template;
+	dev->tx_vdev.queue = &dev->tx_vb2_queue;
+	dev->tx_vdev.queue->lock = &dev->vb_queue_lock;
+	dev->tx_vdev.v4l2_dev = &dev->v4l2_dev;
+	dev->tx_vdev.ctrl_handler = &dev->tx_ctrl_handler;
+	dev->tx_vdev.lock = &dev->v4l2_lock;
+	dev->tx_vdev.vfl_dir = VFL_DIR_TX;
+	video_set_drvdata(&dev->tx_vdev, dev);
+	ret = video_register_device(&dev->tx_vdev, VFL_TYPE_SDR, -1);
 	if (ret) {
-		dev_err(dev->dev, "Failed to register as video device (%d)\n",
-				ret);
-		goto err_unregister_v4l2_dev;
+		dev_err(dev->dev,
+			"Failed to register as video device (%d)\n", ret);
+		goto err_video_unregister_device_rx;
 	}
 	dev_info(dev->dev, "Registered as %s\n",
-			video_device_node_name(&dev->vdev));
+		 video_device_node_name(&dev->tx_vdev));
+
 	dev_notice(dev->dev, "SDR API is still slightly experimental and functionality changes may follow\n");
 	return 0;
-
-err_free_controls:
-	v4l2_ctrl_handler_free(&dev->hdl);
-err_unregister_v4l2_dev:
+err_video_unregister_device_rx:
+	video_unregister_device(&dev->rx_vdev);
+err_v4l2_device_unregister:
 	v4l2_device_unregister(&dev->v4l2_dev);
-err_free_mem:
+err_v4l2_ctrl_handler_free_tx:
+	v4l2_ctrl_handler_free(&dev->tx_ctrl_handler);
+err_v4l2_ctrl_handler_free_rx:
+	v4l2_ctrl_handler_free(&dev->rx_ctrl_handler);
+err_kfree:
 	kfree(dev);
+err:
+	dev_dbg(&intf->dev, "failed=%d\n", ret);
 	return ret;
 }
 
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index 3f276d921..e06a21a4f 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -28,6 +28,7 @@
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-event.h>
 #include <linux/usb.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 #include <linux/spi/spi.h>
 
@@ -112,7 +113,8 @@ static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
 
 /* intermediate buffers with raw data from the USB device */
 struct msi2500_frame_buf {
-	struct vb2_buffer vb;   /* common v4l buffer stuff -- must be first */
+	/* common v4l buffer stuff -- must be first */
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 };
 
@@ -431,10 +433,10 @@ static void msi2500_isoc_handler(struct urb *urb)
 		}
 
 		/* fill framebuffer */
-		ptr = vb2_plane_vaddr(&fbuf->vb, 0);
+		ptr = vb2_plane_vaddr(&fbuf->vb.vb2_buf, 0);
 		flen = msi2500_convert_stream(dev, ptr, iso_buf, flen);
-		vb2_set_plane_payload(&fbuf->vb, 0, flen);
-		vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+		vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, flen);
+		vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 	}
 
 handler_end:
@@ -569,7 +571,7 @@ static void msi2500_cleanup_queued_bufs(struct msi2500_dev *dev)
 		buf = list_entry(dev->queued_bufs.next,
 				 struct msi2500_frame_buf, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
 	spin_unlock_irqrestore(&dev->queued_bufs_lock, flags);
 }
@@ -614,7 +616,7 @@ static int msi2500_querycap(struct file *file, void *fh,
 
 /* Videobuf2 operations */
 static int msi2500_queue_setup(struct vb2_queue *vq,
-			       const struct v4l2_format *fmt,
+			       const void *parg,
 			       unsigned int *nbuffers,
 			       unsigned int *nplanes, unsigned int sizes[],
 			       void *alloc_ctxs[])
@@ -633,15 +635,16 @@ static int msi2500_queue_setup(struct vb2_queue *vq,
 
 static void msi2500_buf_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct msi2500_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct msi2500_frame_buf *buf = container_of(vb,
+	struct msi2500_frame_buf *buf = container_of(vbuf,
 						     struct msi2500_frame_buf,
 						     vb);
 	unsigned long flags;
 
 	/* Check the device has not disconnected between prep and queuing */
 	if (unlikely(!dev->udev)) {
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		return;
 	}
 
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index 702267e20..b79c36fd8 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -240,9 +240,9 @@ static void pwc_frame_complete(struct pwc_device *pdev)
 			PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes);"
 				       " discarded.\n", fbuf->filled);
 		} else {
-			fbuf->vb.v4l2_buf.field = V4L2_FIELD_NONE;
-			fbuf->vb.v4l2_buf.sequence = pdev->vframe_count;
-			vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+			fbuf->vb.field = V4L2_FIELD_NONE;
+			fbuf->vb.sequence = pdev->vframe_count;
+			vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 			pdev->fill_buf = NULL;
 			pdev->vsync = 0;
 		}
@@ -287,7 +287,7 @@ static void pwc_isoc_handler(struct urb *urb)
 		{
 			PWC_ERROR("Too many ISOC errors, bailing out.\n");
 			if (pdev->fill_buf) {
-				vb2_buffer_done(&pdev->fill_buf->vb,
+				vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf,
 						VB2_BUF_STATE_ERROR);
 				pdev->fill_buf = NULL;
 			}
@@ -317,7 +317,7 @@ static void pwc_isoc_handler(struct urb *urb)
 
 			if (pdev->vsync == 1) {
 				v4l2_get_timestamp(
-					&fbuf->vb.v4l2_buf.timestamp);
+					&fbuf->vb.timestamp);
 				pdev->vsync = 2;
 			}
 
@@ -520,7 +520,7 @@ static void pwc_cleanup_queued_bufs(struct pwc_device *pdev,
 		buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf,
 				 list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, state);
+		vb2_buffer_done(&buf->vb.vb2_buf, state);
 	}
 	spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags);
 }
@@ -571,7 +571,7 @@ static void pwc_video_release(struct v4l2_device *v)
 /***************************************************************************/
 /* Videobuf2 operations */
 
-static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int queue_setup(struct vb2_queue *vq, const void *parg,
 				unsigned int *nbuffers, unsigned int *nplanes,
 				unsigned int sizes[], void *alloc_ctxs[])
 {
@@ -594,7 +594,9 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 
 static int buffer_init(struct vb2_buffer *vb)
 {
-	struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct pwc_frame_buf *buf =
+		container_of(vbuf, struct pwc_frame_buf, vb);
 
 	/* need vmalloc since frame buffer > 128K */
 	buf->data = vzalloc(PWC_FRAME_SIZE);
@@ -618,7 +620,9 @@ static int buffer_prepare(struct vb2_buffer *vb)
 static void buffer_finish(struct vb2_buffer *vb)
 {
 	struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
-	struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct pwc_frame_buf *buf =
+		container_of(vbuf, struct pwc_frame_buf, vb);
 
 	if (vb->state == VB2_BUF_STATE_DONE) {
 		/*
@@ -633,7 +637,9 @@ static void buffer_finish(struct vb2_buffer *vb)
 
 static void buffer_cleanup(struct vb2_buffer *vb)
 {
-	struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct pwc_frame_buf *buf =
+		container_of(vbuf, struct pwc_frame_buf, vb);
 
 	vfree(buf->data);
 }
@@ -641,12 +647,14 @@ static void buffer_cleanup(struct vb2_buffer *vb)
 static void buffer_queue(struct vb2_buffer *vb)
 {
 	struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
-	struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct pwc_frame_buf *buf =
+		container_of(vbuf, struct pwc_frame_buf, vb);
 	unsigned long flags = 0;
 
 	/* Check the device has not disconnected between prep and queuing */
 	if (!pdev->udev) {
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
 		return;
 	}
 
@@ -695,7 +703,8 @@ static void stop_streaming(struct vb2_queue *vq)
 
 	pwc_cleanup_queued_bufs(pdev, VB2_BUF_STATE_ERROR);
 	if (pdev->fill_buf)
-		vb2_buffer_done(&pdev->fill_buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf,
+				VB2_BUF_STATE_ERROR);
 	mutex_unlock(&pdev->v4l2_lock);
 }
 
diff --git a/drivers/media/usb/pwc/pwc-uncompress.c b/drivers/media/usb/pwc/pwc-uncompress.c
index b65903fbc..98c46f93f 100644
--- a/drivers/media/usb/pwc/pwc-uncompress.c
+++ b/drivers/media/usb/pwc/pwc-uncompress.c
@@ -40,7 +40,7 @@ int pwc_decompress(struct pwc_device *pdev, struct pwc_frame_buf *fbuf)
 	u16 *src;
 	u16 *dsty, *dstu, *dstv;
 
-	image = vb2_plane_vaddr(&fbuf->vb, 0);
+	image = vb2_plane_vaddr(&fbuf->vb.vb2_buf, 0);
 
 	yuv = fbuf->data + pdev->frame_header_size;  /* Skip header */
 
@@ -55,12 +55,12 @@ int pwc_decompress(struct pwc_device *pdev, struct pwc_frame_buf *fbuf)
 			 * determine this using the type of the webcam */
 		memcpy(raw_frame->cmd, pdev->cmd_buf, 4);
 		memcpy(raw_frame+1, yuv, pdev->frame_size);
-		vb2_set_plane_payload(&fbuf->vb, 0,
+		vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0,
 			pdev->frame_size + sizeof(struct pwc_raw_frame));
 		return 0;
 	}
 
-	vb2_set_plane_payload(&fbuf->vb, 0,
+	vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0,
 			      pdev->width * pdev->height * 3 / 2);
 
 	if (pdev->vbandlength == 0) {
diff --git a/drivers/media/usb/pwc/pwc.h b/drivers/media/usb/pwc/pwc.h
index 81b017a55..3c73bdaae 100644
--- a/drivers/media/usb/pwc/pwc.h
+++ b/drivers/media/usb/pwc/pwc.h
@@ -40,6 +40,7 @@
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-fh.h>
 #include <media/v4l2-event.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 #ifdef CONFIG_USB_PWC_INPUT_EVDEV
 #include <linux/input.h>
@@ -210,7 +211,8 @@ struct pwc_raw_frame {
 /* intermediate buffers with raw data from the USB cam */
 struct pwc_frame_buf
 {
-	struct vb2_buffer vb;	/* common v4l buffer stuff -- must be first */
+	/* common v4l buffer stuff -- must be first */
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 	void *data;
 	int filled;		/* number of bytes filled */
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index 2485be74b..b96e02e8b 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -45,6 +45,7 @@
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <linux/usb.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-device.h>
@@ -293,7 +294,7 @@ struct s2255_fmt {
 /* buffer for one video frame */
 struct s2255_buffer {
 	/* common v4l buffer stuff -- must be first */
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 };
 
@@ -573,14 +574,14 @@ static void s2255_got_frame(struct s2255_vc *vc, int jpgsize)
 	buf = list_entry(vc->buf_list.next,
 			 struct s2255_buffer, list);
 	list_del(&buf->list);
-	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
-	buf->vb.v4l2_buf.field = vc->field;
-	buf->vb.v4l2_buf.sequence = vc->frame_count;
+	v4l2_get_timestamp(&buf->vb.timestamp);
+	buf->vb.field = vc->field;
+	buf->vb.sequence = vc->frame_count;
 	spin_unlock_irqrestore(&vc->qlock, flags);
 
 	s2255_fillbuff(vc, buf, jpgsize);
 	/* tell v4l buffer was filled */
-	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 	dprintk(dev, 2, "%s: [buf] [%p]\n", __func__, buf);
 }
 
@@ -612,7 +613,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
 {
 	int pos = 0;
 	const char *tmpbuf;
-	char *vbuf = vb2_plane_vaddr(&buf->vb, 0);
+	char *vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 	unsigned long last_frame;
 	struct s2255_dev *dev = vc->dev;
 
@@ -635,7 +636,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
 			break;
 		case V4L2_PIX_FMT_JPEG:
 		case V4L2_PIX_FMT_MJPEG:
-			vb2_set_plane_payload(&buf->vb, 0, jpgsize);
+			vb2_set_plane_payload(&buf->vb.vb2_buf, 0, jpgsize);
 			memcpy(vbuf, tmpbuf, jpgsize);
 			break;
 		case V4L2_PIX_FMT_YUV422P:
@@ -659,7 +660,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
    Videobuf operations
    ------------------------------------------------------------------*/
 
-static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int queue_setup(struct vb2_queue *vq, const void *parg,
 		       unsigned int *nbuffers, unsigned int *nplanes,
 		       unsigned int sizes[], void *alloc_ctxs[])
 {
@@ -674,7 +675,8 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 static int buffer_prepare(struct vb2_buffer *vb)
 {
 	struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue);
-	struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb);
 	int w = vc->width;
 	int h = vc->height;
 	unsigned long size;
@@ -696,13 +698,14 @@ static int buffer_prepare(struct vb2_buffer *vb)
 		return -EINVAL;
 	}
 
-	vb2_set_plane_payload(&buf->vb, 0, size);
+	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
 	return 0;
 }
 
 static void buffer_queue(struct vb2_buffer *vb)
 {
-	struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb);
 	struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue);
 	unsigned long flags = 0;
 	dprintk(vc->dev, 1, "%s\n", __func__);
@@ -1116,9 +1119,9 @@ static void stop_streaming(struct vb2_queue *vq)
 	spin_lock_irqsave(&vc->qlock, flags);
 	list_for_each_entry_safe(buf, node, &vc->buf_list, list) {
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		dprintk(vc->dev, 2, "[%p/%d] done\n",
-			buf, buf->vb.v4l2_buf.index);
+			buf, buf->vb.vb2_buf.index);
 	}
 	spin_unlock_irqrestore(&vc->qlock, flags);
 }
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index e12b10352..0bd34f1e7 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -664,7 +664,7 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
 /*
  * Videobuf2 operations
  */
-static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *v4l_fmt,
+static int queue_setup(struct vb2_queue *vq, const void *parg,
 				unsigned int *nbuffers, unsigned int *nplanes,
 				unsigned int sizes[], void *alloc_ctxs[])
 {
@@ -695,8 +695,9 @@ static void buffer_queue(struct vb2_buffer *vb)
 {
 	unsigned long flags;
 	struct stk1160 *dev = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct stk1160_buffer *buf =
-		container_of(vb, struct stk1160_buffer, vb);
+		container_of(vbuf, struct stk1160_buffer, vb);
 
 	spin_lock_irqsave(&dev->buf_lock, flags);
 	if (!dev->udev) {
@@ -704,7 +705,7 @@ static void buffer_queue(struct vb2_buffer *vb)
 		 * If the device is disconnected return the buffer to userspace
 		 * directly. The next QBUF call will fail with -ENODEV.
 		 */
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 	} else {
 
 		buf->mem = vb2_plane_vaddr(vb, 0);
@@ -717,7 +718,7 @@ static void buffer_queue(struct vb2_buffer *vb)
 		 * the buffer to userspace directly.
 		 */
 		if (buf->length < dev->width * dev->height * 2)
-			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+			vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		else
 			list_add_tail(&buf->list, &dev->avail_bufs);
 
@@ -769,9 +770,9 @@ void stk1160_clear_queue(struct stk1160 *dev)
 		buf = list_first_entry(&dev->avail_bufs,
 			struct stk1160_buffer, list);
 		list_del(&buf->list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		stk1160_dbg("buffer [%p/%d] aborted\n",
-			    buf, buf->vb.v4l2_buf.index);
+			    buf, buf->vb.vb2_buf.index);
 	}
 
 	/* It's important to release the current buffer */
@@ -779,9 +780,9 @@ void stk1160_clear_queue(struct stk1160 *dev)
 		buf = dev->isoc_ctl.buf;
 		dev->isoc_ctl.buf = NULL;
 
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		stk1160_dbg("buffer [%p/%d] aborted\n",
-			    buf, buf->vb.v4l2_buf.index);
+			    buf, buf->vb.vb2_buf.index);
 	}
 	spin_unlock_irqrestore(&dev->buf_lock, flags);
 }
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 940c3eaea..75654e676 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -96,13 +96,13 @@ void stk1160_buffer_done(struct stk1160 *dev)
 {
 	struct stk1160_buffer *buf = dev->isoc_ctl.buf;
 
-	buf->vb.v4l2_buf.sequence = dev->sequence++;
-	buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
-	buf->vb.v4l2_buf.bytesused = buf->bytesused;
-	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
+	buf->vb.sequence = dev->sequence++;
+	buf->vb.field = V4L2_FIELD_INTERLACED;
+	buf->vb.vb2_buf.planes[0].bytesused = buf->bytesused;
+	v4l2_get_timestamp(&buf->vb.timestamp);
 
-	vb2_set_plane_payload(&buf->vb, 0, buf->bytesused);
-	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->bytesused);
+	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 
 	dev->isoc_ctl.buf = NULL;
 }
diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h
index 72cc8e8cb..1ed1cc43c 100644
--- a/drivers/media/usb/stk1160/stk1160.h
+++ b/drivers/media/usb/stk1160/stk1160.h
@@ -23,7 +23,7 @@
 #include <linux/i2c.h>
 #include <sound/core.h>
 #include <sound/ac97_codec.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
 
@@ -77,7 +77,7 @@
 /* Buffer for one video frame */
 struct stk1160_buffer {
 	/* common v4l buffer stuff -- must be first */
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 
 	void *mem;
diff --git a/drivers/media/usb/tm6000/tm6000-alsa.c b/drivers/media/usb/tm6000/tm6000-alsa.c
index 74e5697d8..e21c7aace 100644
--- a/drivers/media/usb/tm6000/tm6000-alsa.c
+++ b/drivers/media/usb/tm6000/tm6000-alsa.c
@@ -42,7 +42,7 @@
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 
-static bool enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable tm6000x soundcard. default enabled.");
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index a53e94dd2..06aedcb8d 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -375,8 +375,7 @@ static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data)
 	struct ttusb_dec *dec = priv;
 
 	dec->audio_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->audio_filter->feed->feed.ts,
-				       DMX_OK);
+				       &dec->audio_filter->feed->feed.ts);
 
 	return 0;
 }
@@ -386,8 +385,7 @@ static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data)
 	struct ttusb_dec *dec = priv;
 
 	dec->video_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->video_filter->feed->feed.ts,
-				       DMX_OK);
+				       &dec->video_filter->feed->feed.ts);
 
 	return 0;
 }
@@ -439,7 +437,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
 
 		if (output_pva) {
 			dec->video_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->video_filter->feed->feed.ts, DMX_OK);
+				&dec->video_filter->feed->feed.ts);
 			return;
 		}
 
@@ -500,7 +498,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
 	case 0x02:		/* MainAudioStream */
 		if (output_pva) {
 			dec->audio_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->audio_filter->feed->feed.ts, DMX_OK);
+				&dec->audio_filter->feed->feed.ts);
 			return;
 		}
 
@@ -538,7 +536,7 @@ static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet,
 
 	if (filter)
 		filter->feed->cb.sec(&packet[2], length - 2, NULL, 0,
-				     &filter->filter, DMX_OK);
+				     &filter->filter);
 }
 
 static void ttusb_dec_process_packet(struct ttusb_dec *dec)
diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
index 08fb0f2da..e645c9df2 100644
--- a/drivers/media/usb/usbtv/usbtv-video.c
+++ b/drivers/media/usb/usbtv/usbtv-video.c
@@ -29,7 +29,7 @@
  */
 
 #include <media/v4l2-ioctl.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
 
 #include "usbtv.h"
 
@@ -306,7 +306,7 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk)
 
 	/* First available buffer. */
 	buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list);
-	frame = vb2_plane_vaddr(&buf->vb, 0);
+	frame = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 
 	/* Copy the chunk data. */
 	usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd);
@@ -314,17 +314,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk)
 
 	/* Last chunk in a frame, signalling an end */
 	if (odd && chunk_no == usbtv->n_chunks-1) {
-		int size = vb2_plane_size(&buf->vb, 0);
+		int size = vb2_plane_size(&buf->vb.vb2_buf, 0);
 		enum vb2_buffer_state state = usbtv->chunks_done ==
 						usbtv->n_chunks ?
 						VB2_BUF_STATE_DONE :
 						VB2_BUF_STATE_ERROR;
 
-		buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
-		buf->vb.v4l2_buf.sequence = usbtv->sequence++;
-		v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
-		vb2_set_plane_payload(&buf->vb, 0, size);
-		vb2_buffer_done(&buf->vb, state);
+		buf->vb.field = V4L2_FIELD_INTERLACED;
+		buf->vb.sequence = usbtv->sequence++;
+		v4l2_get_timestamp(&buf->vb.timestamp);
+		vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
+		vb2_buffer_done(&buf->vb.vb2_buf, state);
 		list_del(&buf->list);
 	}
 
@@ -422,7 +422,7 @@ static void usbtv_stop(struct usbtv *usbtv)
 	while (!list_empty(&usbtv->bufs)) {
 		struct usbtv_buf *buf = list_first_entry(&usbtv->bufs,
 						struct usbtv_buf, list);
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 		list_del(&buf->list);
 	}
 	spin_unlock_irqrestore(&usbtv->buflock, flags);
@@ -599,9 +599,10 @@ static struct v4l2_file_operations usbtv_fops = {
 };
 
 static int usbtv_queue_setup(struct vb2_queue *vq,
-	const struct v4l2_format *fmt, unsigned int *nbuffers,
+	const void *parg, unsigned int *nbuffers,
 	unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct usbtv *usbtv = vb2_get_drv_priv(vq);
 	unsigned size = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32);
 
@@ -617,8 +618,9 @@ static int usbtv_queue_setup(struct vb2_queue *vq,
 
 static void usbtv_buf_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct usbtv *usbtv = vb2_get_drv_priv(vb->vb2_queue);
-	struct usbtv_buf *buf = container_of(vb, struct usbtv_buf, vb);
+	struct usbtv_buf *buf = container_of(vbuf, struct usbtv_buf, vb);
 	unsigned long flags;
 
 	if (usbtv->udev == NULL) {
diff --git a/drivers/media/usb/usbtv/usbtv.h b/drivers/media/usb/usbtv/usbtv.h
index 968119581..19cb8bf7c 100644
--- a/drivers/media/usb/usbtv/usbtv.h
+++ b/drivers/media/usb/usbtv/usbtv.h
@@ -24,6 +24,7 @@
 #include <linux/usb.h>
 
 #include <media/v4l2-device.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 
 /* Hardware. */
@@ -61,7 +62,7 @@ struct usbtv_norm_params {
 
 /* A single videobuf2 frame buffer. */
 struct usbtv_buf {
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct list_head list;
 };
 
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 4b5b3e8fb..d11fd6ac2 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -32,6 +32,7 @@
 #define DRIVER_DESC		"USB Video Class driver"
 
 unsigned int uvc_clock_param = CLOCK_MONOTONIC;
+unsigned int uvc_hw_timestamps_param;
 unsigned int uvc_no_drop_param;
 static unsigned int uvc_quirks_param = -1;
 unsigned int uvc_trace_param;
@@ -2078,6 +2079,8 @@ static int uvc_clock_param_set(const char *val, struct kernel_param *kp)
 module_param_call(clock, uvc_clock_param_set, uvc_clock_param_get,
 		  &uvc_clock_param, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(clock, "Video buffers timestamp clock");
+module_param_named(hwtimestamps, uvc_hw_timestamps_param, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(hwtimestamps, "Use hardware timestamps");
 module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames");
 module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR);
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index f16b9b426..cfb868a48 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -20,6 +20,7 @@
 #include <linux/videodev2.h>
 #include <linux/vmalloc.h>
 #include <linux/wait.h>
+#include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
 
 #include "uvcvideo.h"
@@ -60,7 +61,7 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue,
 							  queue);
 		list_del(&buf->queue);
 		buf->state = state;
-		vb2_buffer_done(&buf->buf, vb2_state);
+		vb2_buffer_done(&buf->buf.vb2_buf, vb2_state);
 	}
 }
 
@@ -68,10 +69,11 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue,
  * videobuf2 queue operations
  */
 
-static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int uvc_queue_setup(struct vb2_queue *vq, const void *parg,
 			   unsigned int *nbuffers, unsigned int *nplanes,
 			   unsigned int sizes[], void *alloc_ctxs[])
 {
+	const struct v4l2_format *fmt = parg;
 	struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
 	struct uvc_streaming *stream = uvc_queue_to_stream(queue);
 
@@ -89,10 +91,11 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
 
 static int uvc_buffer_prepare(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
-	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+	struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
 
-	if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 	    vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {
 		uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes used out of bounds.\n");
 		return -EINVAL;
@@ -105,7 +108,7 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)
 	buf->error = 0;
 	buf->mem = vb2_plane_vaddr(vb, 0);
 	buf->length = vb2_plane_size(vb, 0);
-	if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		buf->bytesused = 0;
 	else
 		buf->bytesused = vb2_get_plane_payload(vb, 0);
@@ -115,8 +118,9 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)
 
 static void uvc_buffer_queue(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
-	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+	struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
 	unsigned long flags;
 
 	spin_lock_irqsave(&queue->irqlock, flags);
@@ -127,7 +131,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
 		 * directly. The next QBUF call will fail with -ENODEV.
 		 */
 		buf->state = UVC_BUF_STATE_ERROR;
-		vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR);
+		vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
 	}
 
 	spin_unlock_irqrestore(&queue->irqlock, flags);
@@ -135,12 +139,13 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
 
 static void uvc_buffer_finish(struct vb2_buffer *vb)
 {
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
 	struct uvc_streaming *stream = uvc_queue_to_stream(queue);
-	struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+	struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
 
 	if (vb->state == VB2_BUF_STATE_DONE)
-		uvc_video_clock_update(stream, &vb->v4l2_buf, buf);
+		uvc_video_clock_update(stream, vbuf, buf);
 }
 
 static int uvc_start_streaming(struct vb2_queue *vq, unsigned int count)
@@ -398,7 +403,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
 		buf->error = 0;
 		buf->state = UVC_BUF_STATE_QUEUED;
 		buf->bytesused = 0;
-		vb2_set_plane_payload(&buf->buf, 0, 0);
+		vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);
 		return buf;
 	}
 
@@ -412,8 +417,8 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
 	spin_unlock_irqrestore(&queue->irqlock, flags);
 
 	buf->state = buf->error ? VB2_BUF_STATE_ERROR : UVC_BUF_STATE_DONE;
-	vb2_set_plane_payload(&buf->buf, 0, buf->bytesused);
-	vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE);
+	vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
+	vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
 
 	return nextbuf;
 }
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index f839654ea..2b276ab77 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -606,7 +606,7 @@ static u16 uvc_video_clock_host_sof(const struct uvc_clock_sample *sample)
  * timestamp of the sliding window to 1s.
  */
 void uvc_video_clock_update(struct uvc_streaming *stream,
-			    struct v4l2_buffer *v4l2_buf,
+			    struct vb2_v4l2_buffer *vbuf,
 			    struct uvc_buffer *buf)
 {
 	struct uvc_clock *clock = &stream->clock;
@@ -623,6 +623,9 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
 	u32 rem;
 	u64 y;
 
+	if (!uvc_hw_timestamps_param)
+		return;
+
 	spin_lock_irqsave(&clock->lock, flags);
 
 	if (clock->count < clock->size)
@@ -696,14 +699,14 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
 		  stream->dev->name,
 		  sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
 		  y, ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC,
-		  v4l2_buf->timestamp.tv_sec,
-		  (unsigned long)v4l2_buf->timestamp.tv_usec,
+		  vbuf->timestamp.tv_sec,
+		  (unsigned long)vbuf->timestamp.tv_usec,
 		  x1, first->host_sof, first->dev_sof,
 		  x2, last->host_sof, last->dev_sof, y1, y2);
 
 	/* Update the V4L2 buffer. */
-	v4l2_buf->timestamp.tv_sec = ts.tv_sec;
-	v4l2_buf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+	vbuf->timestamp.tv_sec = ts.tv_sec;
+	vbuf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
 
 done:
 	spin_unlock_irqrestore(&stream->clock.lock, flags);
@@ -1029,10 +1032,10 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
 
 		uvc_video_get_ts(&ts);
 
-		buf->buf.v4l2_buf.field = V4L2_FIELD_NONE;
-		buf->buf.v4l2_buf.sequence = stream->sequence;
-		buf->buf.v4l2_buf.timestamp.tv_sec = ts.tv_sec;
-		buf->buf.v4l2_buf.timestamp.tv_usec =
+		buf->buf.field = V4L2_FIELD_NONE;
+		buf->buf.sequence = stream->sequence;
+		buf->buf.timestamp.tv_sec = ts.tv_sec;
+		buf->buf.timestamp.tv_usec =
 			ts.tv_nsec / NSEC_PER_USEC;
 
 		/* TODO: Handle PTS and SCR. */
@@ -1305,7 +1308,7 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream,
 		if (buf->bytesused == stream->queue.buf_used) {
 			stream->queue.buf_used = 0;
 			buf->state = UVC_BUF_STATE_READY;
-			buf->buf.v4l2_buf.sequence = ++stream->sequence;
+			buf->buf.sequence = ++stream->sequence;
 			uvc_queue_next_buffer(&stream->queue, buf);
 			stream->last_fid ^= UVC_STREAM_FID;
 		}
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 816dd1a0f..f0f2391e1 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -15,7 +15,7 @@
 #include <media/v4l2-device.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-fh.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
 
 /* --------------------------------------------------------------------------
  * UVC constants
@@ -354,7 +354,7 @@ enum uvc_buffer_state {
 };
 
 struct uvc_buffer {
-	struct vb2_buffer buf;
+	struct vb2_v4l2_buffer buf;
 	struct list_head queue;
 
 	enum uvc_buffer_state state;
@@ -593,6 +593,7 @@ extern unsigned int uvc_clock_param;
 extern unsigned int uvc_no_drop_param;
 extern unsigned int uvc_trace_param;
 extern unsigned int uvc_timeout_param;
+extern unsigned int uvc_hw_timestamps_param;
 
 #define uvc_trace(flag, msg...) \
 	do { \
@@ -673,7 +674,7 @@ extern int uvc_probe_video(struct uvc_streaming *stream,
 extern int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,
 		__u8 intfnum, __u8 cs, void *data, __u16 size);
 void uvc_video_clock_update(struct uvc_streaming *stream,
-			    struct v4l2_buffer *v4l2_buf,
+			    struct vb2_v4l2_buffer *vbuf,
 			    struct uvc_buffer *buf);
 
 /* Status */