uvc_query_v4l2_menu 1104 drivers/media/usb/uvc/uvc_v4l2.c 	return uvc_query_v4l2_menu(chain, qm);
uvc_query_v4l2_menu  827 drivers/media/usb/uvc/uvcvideo.h int uvc_query_v4l2_menu(struct uvc_video_chain *chain,