media: staging: imx: Drop custom .unsubscribe_event() handler

The csi_unsubscribe_event() function simply calls
v4l2_event_unsubscribe(), forwarding its arguments. Replace it with the
v4l2_event_subdev_unsubscribe() helper that performs exactly the same
operation.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index a7cd3ef95fc3f6eedd9d29c08820db1e88978af1..fd7e37d803e7b098950d657d89b92d88051ba9d7 100644 (file)
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -1751,12 +1751,6 @@ static int csi_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
        return v4l2_event_subscribe(fh, sub, 0, NULL);
 }
 
-static int csi_unsubscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
-                                struct v4l2_event_subscription *sub)
-{
-       return v4l2_event_unsubscribe(fh, sub);
-}
-
 static int csi_registered(struct v4l2_subdev *sd)
 {
        struct csi_priv *priv = v4l2_get_subdevdata(sd);
@@ -1872,7 +1866,7 @@ static const struct media_entity_operations csi_entity_ops = {
 
 static const struct v4l2_subdev_core_ops csi_core_ops = {
        .subscribe_event = csi_subscribe_event,
-       .unsubscribe_event = csi_unsubscribe_event,
+       .unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_video_ops csi_video_ops = {