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authorSakari Ailus <sakari.ailus@iki.fi>2011-07-18 08:40:03 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-08-29 12:37:15 -0300
commiteab00a0da292fa7118aaf20da78e834866de00ae (patch)
tree7e5be2825c3859c39114050a731d97c51d546e48 /include
parentc9f88aa976b79a26561fb7754a1e0e00ff7626fe (diff)
[media] v4l: events: Define V4L2_EVENT_FRAME_SYNC
Define a frame sync event to tell user space when the reception of a frame starts. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/videodev2.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index fca24cc5043..a5359c6e757 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -2006,6 +2006,7 @@ struct v4l2_streamparm {
#define V4L2_EVENT_VSYNC 1
#define V4L2_EVENT_EOS 2
#define V4L2_EVENT_CTRL 3
+#define V4L2_EVENT_FRAME_SYNC 4
#define V4L2_EVENT_PRIVATE_START 0x08000000
/* Payload for V4L2_EVENT_VSYNC */
@@ -2032,12 +2033,17 @@ struct v4l2_event_ctrl {
__s32 default_value;
};
+struct v4l2_event_frame_sync {
+ __u32 frame_sequence;
+};
+
struct v4l2_event {
__u32 type;
union {
- struct v4l2_event_vsync vsync;
- struct v4l2_event_ctrl ctrl;
- __u8 data[64];
+ struct v4l2_event_vsync vsync;
+ struct v4l2_event_ctrl ctrl;
+ struct v4l2_event_frame_sync frame_sync;
+ __u8 data[64];
} u;
__u32 pending;
__u32 sequence;