diff options
| author | Sylwester Nawrocki <sylvester.nawrocki@gmail.com> | 2013-01-22 18:58:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-02-05 15:04:55 -0200 |
| commit | 4f4d14b70a29c679dd53e367b0d9b007a7117ee3 (patch) | |
| tree | 3d2acb71e2ea19fe4ee73e4b8c436d68f7aeea88 | |
| parent | 2ccbe779bcdee130ea7f1525670dc9d60318a981 (diff) | |
| download | linux-4f4d14b70a29c679dd53e367b0d9b007a7117ee3.tar.gz linux-4f4d14b70a29c679dd53e367b0d9b007a7117ee3.tar.bz2 linux-4f4d14b70a29c679dd53e367b0d9b007a7117ee3.zip | |
[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: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-event.c | 7 | ||||
| -rw-r--r-- | include/media/v4l2-event.h | 4 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c index c72009218152..86dcb5483c42 100644 --- a/drivers/media/v4l2-core/v4l2-event.c +++ b/drivers/media/v4l2-core/v4l2-event.c @@ -311,3 +311,10 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, return 0; } 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); diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h index eff85f934b24..be05d019de25 100644 --- a/include/media/v4l2-event.h +++ b/include/media/v4l2-event.h @@ -64,6 +64,7 @@ */ struct v4l2_fh; +struct v4l2_subdev; struct v4l2_subscribed_event; struct video_device; @@ -129,5 +130,6 @@ int v4l2_event_subscribe(struct v4l2_fh *fh, int v4l2_event_unsubscribe(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); 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 */ |