diff options
Diffstat (limited to 'drivers/media/usb/gspca/gspca.c')
| -rw-r--r-- | drivers/media/usb/gspca/gspca.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index af5cd8213..b17bd7ebc 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -522,7 +522,7 @@ static int frame_alloc(struct gspca_dev *gspca_dev, struct file *file, frame = &gspca_dev->frame[i]; frame->v4l2_buf.index = i; frame->v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - frame->v4l2_buf.flags = 0; + frame->v4l2_buf.flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; frame->v4l2_buf.field = V4L2_FIELD_NONE; frame->v4l2_buf.length = frsz; frame->v4l2_buf.memory = memory; @@ -705,7 +705,7 @@ static int build_isoc_ep_tb(struct gspca_dev *gspca_dev, psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); bandwidth = psize * 1000; if (gspca_dev->dev->speed == USB_SPEED_HIGH - || gspca_dev->dev->speed == USB_SPEED_SUPER) + || gspca_dev->dev->speed >= USB_SPEED_SUPER) bandwidth *= 8; bandwidth /= 1 << (ep->desc.bInterval - 1); if (bandwidth <= last_bw) @@ -996,6 +996,19 @@ static int wxh_to_mode(struct gspca_dev *gspca_dev, { int i; + for (i = 0; i < gspca_dev->cam.nmodes; i++) { + if (width == gspca_dev->cam.cam_mode[i].width + && height == gspca_dev->cam.cam_mode[i].height) + return i; + } + return -EINVAL; +} + +static int wxh_to_nearest_mode(struct gspca_dev *gspca_dev, + int width, int height) +{ + int i; + for (i = gspca_dev->cam.nmodes; --i > 0; ) { if (width >= gspca_dev->cam.cam_mode[i].width && height >= gspca_dev->cam.cam_mode[i].height) @@ -1125,8 +1138,8 @@ static int try_fmt_vid_cap(struct gspca_dev *gspca_dev, PDEBUG_MODE(gspca_dev, D_CONF, "try fmt cap", fmt->fmt.pix.pixelformat, w, h); - /* search the closest mode for width and height */ - mode = wxh_to_mode(gspca_dev, w, h); + /* search the nearest mode for width and height */ + mode = wxh_to_nearest_mode(gspca_dev, w, h); /* OK if right palette */ if (gspca_dev->cam.cam_mode[mode].pixelformat @@ -1233,9 +1246,13 @@ static int vidioc_enum_frameintervals(struct file *filp, void *priv, struct v4l2_frmivalenum *fival) { struct gspca_dev *gspca_dev = video_drvdata(filp); - int mode = wxh_to_mode(gspca_dev, fival->width, fival->height); + int mode; __u32 i; + mode = wxh_to_mode(gspca_dev, fival->width, fival->height); + if (mode < 0) + return -EINVAL; + if (gspca_dev->cam.mode_framerates == NULL || gspca_dev->cam.mode_framerates[mode].nrates == 0) return -EINVAL; @@ -1246,7 +1263,7 @@ static int vidioc_enum_frameintervals(struct file *filp, void *priv, for (i = 0; i < gspca_dev->cam.mode_framerates[mode].nrates; i++) { if (fival->index == i) { - fival->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; fival->discrete.numerator = 1; fival->discrete.denominator = gspca_dev->cam.mode_framerates[mode].rates[i]; |