Commit 4f4d14b7 authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mauro Carvalho Chehab

[media] V4L: Add v4l2_event_subdev_unsubscribe() helper function

Add a v4l2 core helper function that can be used as the subdev
.unsubscribe_event handler. This allows to eliminate some
boilerplate from drivers that are only handling the control events.
Signed-off-by: default avatarSylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2ccbe779
...@@ -311,3 +311,10 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, ...@@ -311,3 +311,10 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(v4l2_event_unsubscribe); EXPORT_SYMBOL_GPL(v4l2_event_unsubscribe);
int v4l2_event_subdev_unsubscribe(struct v4l2_subdev *sd, struct v4l2_fh *fh,
struct v4l2_event_subscription *sub)
{
return v4l2_event_unsubscribe(fh, sub);
}
EXPORT_SYMBOL_GPL(v4l2_event_subdev_unsubscribe);
...@@ -64,6 +64,7 @@ ...@@ -64,6 +64,7 @@
*/ */
struct v4l2_fh; struct v4l2_fh;
struct v4l2_subdev;
struct v4l2_subscribed_event; struct v4l2_subscribed_event;
struct video_device; struct video_device;
...@@ -129,5 +130,6 @@ int v4l2_event_subscribe(struct v4l2_fh *fh, ...@@ -129,5 +130,6 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
int v4l2_event_unsubscribe(struct v4l2_fh *fh, int v4l2_event_unsubscribe(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub); const struct v4l2_event_subscription *sub);
void v4l2_event_unsubscribe_all(struct v4l2_fh *fh); void v4l2_event_unsubscribe_all(struct v4l2_fh *fh);
int v4l2_event_subdev_unsubscribe(struct v4l2_subdev *sd, struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
#endif /* V4L2_EVENT_H */ #endif /* V4L2_EVENT_H */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment