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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-05-09 07:47:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-05-09 07:58:48 -0300
commita5cdf7364020a61375af3c8aa23e09181f5c2c6c (patch)
tree6a7aacf0e34c69ae57200ba59eafda251b3e0e80 /include/media
parent394569928e2f17dff4ae367ac700048138e318c7 (diff)
Linux-libre 4.5.3-gnupck-4.5.3-gnu
Diffstat (limited to 'include/media')
-rw-r--r--include/media/videobuf2-core.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 8a0f55b6c..88e3ab496 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -375,6 +375,9 @@ struct vb2_ops {
/**
* struct vb2_ops - driver-specific callbacks
*
+ * @verify_planes_array: Verify that a given user space structure contains
+ * enough planes for the buffer. This is called
+ * for each dequeued buffer.
* @fill_user_buffer: given a vb2_buffer fill in the userspace structure.
* For V4L2 this is a struct v4l2_buffer.
* @fill_vb2_buffer: given a userspace structure, fill in the vb2_buffer.
@@ -384,6 +387,7 @@ struct vb2_ops {
* the vb2_buffer struct.
*/
struct vb2_buf_ops {
+ int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb);
void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
struct vb2_plane *planes);
@@ -400,6 +404,9 @@ struct vb2_buf_ops {
* @fileio_read_once: report EOF after reading the first buffer
* @fileio_write_immediately: queue buffer after each write() call
* @allow_zero_bytesused: allow bytesused == 0 to be passed to the driver
+ * @quirk_poll_must_check_waiting_for_buffers: Return POLLERR at poll when QBUF
+ * has not been called. This is a vb1 idiom that has been adopted
+ * also by vb2.
* @lock: pointer to a mutex that protects the vb2_queue struct. The
* driver can set this to a mutex to let the v4l2 core serialize
* the queuing ioctls. If the driver wants to handle locking
@@ -463,6 +470,7 @@ struct vb2_queue {
unsigned fileio_read_once:1;
unsigned fileio_write_immediately:1;
unsigned allow_zero_bytesused:1;
+ unsigned quirk_poll_must_check_waiting_for_buffers:1;
struct mutex *lock;
void *owner;