diff options
Diffstat (limited to 'drivers/media/video/v4l2-ctrls.c')
-rw-r--r-- | drivers/media/video/v4l2-ctrls.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c index a5fbace4c059..9abd9abd4502 100644 --- a/drivers/media/video/v4l2-ctrls.c +++ b/drivers/media/video/v4l2-ctrls.c @@ -2559,7 +2559,7 @@ int v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val) } EXPORT_SYMBOL(v4l2_ctrl_s_ctrl); -static int v4l2_ctrl_add_event(struct v4l2_subscribed_event *sev) +static int v4l2_ctrl_add_event(struct v4l2_subscribed_event *sev, unsigned elems) { struct v4l2_ctrl *ctrl = v4l2_ctrl_find(sev->fh->ctrl_handler, sev->id); @@ -2576,6 +2576,9 @@ static int v4l2_ctrl_add_event(struct v4l2_subscribed_event *sev) if (!(ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)) changes |= V4L2_EVENT_CTRL_CH_VALUE; fill_event(&ev, ctrl, changes); + /* Mark the queue as active, allowing this initial + event to be accepted. */ + sev->elems = elems; v4l2_event_queue_fh(sev->fh, &ev); } v4l2_ctrl_unlock(ctrl); |