Symbol: prepare_ext_ctrls
drivers/media/v4l2-core/v4l2-ctrls-api.c
439
ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, true);
drivers/media/v4l2-core/v4l2-ctrls-api.c
623
ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, false);