V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK 1245 drivers/media/usb/uvc/uvc_ctrl.c 		    (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK) ||
V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK 1496 drivers/media/v4l2-core/v4l2-ctrls.c 		    (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK))