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authorHans Verkuil <hans.verkuil@cisco.com>2011-06-07 11:13:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-27 17:53:20 -0300
commit6e239399e5807132f86f64af6c659411c6a3d1a5 (patch)
treeeeb564a25341111f1c7d6e92137e910c4e4d37f3 /drivers/media/video/v4l2-fh.c
parentab892bac8438c5c2ff09a60d765d9b0c14941ba9 (diff)
[media] v4l2-ctrls: add control events
Whenever a control changes value or state an event is sent to anyone that subscribed to it. This functionality is useful for control panels but also for applications that need to wait for (usually status) controls to change value. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/v4l2-fh.c')
-rw-r--r--drivers/media/video/v4l2-fh.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/media/video/v4l2-fh.c b/drivers/media/video/v4l2-fh.c
index 863501194d0..c6aef84099a 100644
--- a/drivers/media/video/v4l2-fh.c
+++ b/drivers/media/video/v4l2-fh.c
@@ -93,10 +93,8 @@ void v4l2_fh_exit(struct v4l2_fh *fh)
{
if (fh->vdev == NULL)
return;
-
- fh->vdev = NULL;
-
v4l2_event_free(fh);
+ fh->vdev = NULL;
}
EXPORT_SYMBOL_GPL(v4l2_fh_exit);