The ccdc_unsubscribe_event() and omap3isp_stat_unsubscribe_event() functions simply call v4l2_event_unsubscribe(), forwarding their arguments. Replace them 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>