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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2010-11-16 01:21:06 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 04:53:34 -0300
commitf80a3ab083474670527df3ca849546a7059da766 (patch)
treee616d3254964e8b0a4d3d65e87a489e685d7ab9e /include/media
parentf6a5cb1be894468cdc69ec557d47f40c28f64642 (diff)
downloadlinux-f80a3ab083474670527df3ca849546a7059da766.tar.gz
[media] v4l: Add subdev sensor g_skip_frames operation
Some buggy sensors generate corrupt frames when the stream is started.
This new operation return the number of corrupt frames to skip when
starting the stream.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/v4l2-subdev.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index edeaf398d480..1562c4ff3a65 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -341,9 +341,13 @@ struct v4l2_subdev_vbi_ops {
  *		      This is needed for some sensors, which always corrupt
  *		      several top lines of the output image, or which send their
  *		      metadata in them.
+ * @g_skip_frames: number of frames to skip at stream start. This is needed for
+ *		   buggy sensors that generate faulty frames when they are
+ *		   turned on.
  */
 struct v4l2_subdev_sensor_ops {
 	int (*g_skip_top_lines)(struct v4l2_subdev *sd, u32 *lines);
+	int (*g_skip_frames)(struct v4l2_subdev *sd, u32 *frames);
 };
 
 /*