Merge tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - remove sensor drivers that got converted from soc_camera

 - remaining soc_camera drivers got moved to staging

 - some documentation cleanups and improvements

 - the imx staging driver now supports imx7

 - the ov9640, mt9m001 and mt9m111 got converted from soc_camera

 - the vim2m driver now does what a m2m convert driver expects to do

 - epoll() fixes on media subsystems

 - several drivers fixes, typos, cleanups and improvements

* tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (346 commits)
  media: dvb/earth-pt1: fix wrong initialization for demod blocks
  media: vim2m: Address some coding style issues
  media: vim2m: don't use BUG()
  media: vim2m: speedup passthrough copy
  media: vim2m: add an horizontal scaler
  media: vim2m: don't accept YUYV anymore as output format
  media: vim2m: add vertical linear scaler
  media: vim2m: better handle cap/out buffers with different sizes
  media: vim2m: use different framesizes for bayer formats
  media: vim2m: add support for VIDIOC_ENUM_FRAMESIZES
  media: vim2m: ensure that width is multiple of two
  media: vim2m: improve debug messages
  media: vim2m: add bayer capture formats
  media: a few more typos at staging, pci, platform, radio and usb
  media: Documentation: fix several typos
  media: staging: fix several typos
  media: include: fix several typos
  media: common: fix several typos
  media: v4l2-core: fix several typos
  media: usb: fix several typos
  ...

1 files changed, 16 insertions, 0 deletions

diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 727855463838..8a10889dc2fd 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -55,6 +55,22 @@ struct vb2_v4l2_buffer {
 #define to_vb2_v4l2_buffer(vb) \
 	container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
 
+/**
+ * vb2_find_timestamp() - Find buffer with given timestamp in the queue
+ *
+ * @q:		pointer to &struct vb2_queue with videobuf2 queue.
+ * @timestamp:	the timestamp to find.
+ * @start_idx:	the start index (usually 0) in the buffer array to start
+ *		searching from. Note that there may be multiple buffers
+ *		with the same timestamp value, so you can restart the search
+ *		by setting @start_idx to the previously found index + 1.
+ *
+ * Returns the buffer index of the buffer with the given @timestamp, or
+ * -1 if no buffer with @timestamp was found.
+ */
+int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
+		       unsigned int start_idx);
+
 int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b);
 
 /**