uvc_ctrl_begin    962 drivers/media/usb/uvc/uvc_v4l2.c 	ret = uvc_ctrl_begin(chain);
uvc_ctrl_begin    987 drivers/media/usb/uvc/uvc_v4l2.c 	ret = uvc_ctrl_begin(chain);
uvc_ctrl_begin   1030 drivers/media/usb/uvc/uvc_v4l2.c 	ret = uvc_ctrl_begin(chain);
uvc_ctrl_begin   1061 drivers/media/usb/uvc/uvc_v4l2.c 	ret = uvc_ctrl_begin(chain);
uvc_ctrl_begin    838 drivers/media/usb/uvc/uvcvideo.h int uvc_ctrl_begin(struct uvc_video_chain *chain);