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@xxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-event.c | 7 +++++++
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 c720092..86dcb54 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 eff85f9..be05d01 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 */
--
1.7.4.1
--
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