diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_ctrl.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_ctrl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 28363b72ff8..f3bd66c500b 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -1250,7 +1250,7 @@ static void uvc_ctrl_send_events(struct uvc_fh *handle, } } -static int uvc_ctrl_add_event(struct v4l2_subscribed_event *sev) +static int uvc_ctrl_add_event(struct v4l2_subscribed_event *sev, unsigned elems) { struct uvc_fh *handle = container_of(sev->fh, struct uvc_fh, vfh); struct uvc_control_mapping *mapping; @@ -1278,6 +1278,9 @@ static int uvc_ctrl_add_event(struct v4l2_subscribed_event *sev) uvc_ctrl_fill_event(handle->chain, &ev, ctrl, mapping, val, changes); + /* Mark the queue as active, allowing this initial + event to be accepted. */ + sev->elems = elems; v4l2_event_queue_fh(sev->fh, &ev); } |