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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
parentf6a5cb1be894468cdc69ec557d47f40c28f64642 (diff)
downloadblackbird-op-linux-f80a3ab083474670527df3ca849546a7059da766.tar.gz
blackbird-op-linux-f80a3ab083474670527df3ca849546a7059da766.zip
[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>
-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);
};
/*
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