prepare_ext_ctrls 3448 drivers/media/v4l2-core/v4l2-ctrls.c 	ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, true);
prepare_ext_ctrls 3821 drivers/media/v4l2-core/v4l2-ctrls.c 	ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, false);