uvc_ioctl_ctrl_map 1285 drivers/media/usb/uvc/uvc_v4l2.c 		return uvc_ioctl_ctrl_map(chain, arg);
uvc_ioctl_ctrl_map 1398 drivers/media/usb/uvc/uvc_v4l2.c 		ret = uvc_ioctl_ctrl_map(handle->chain, &karg.xmap);