uvcg_queue_poll    77 drivers/usb/gadget/function/uvc_queue.h __poll_t uvcg_queue_poll(struct uvc_video_queue *queue,
uvcg_queue_poll   335 drivers/usb/gadget/function/uvc_v4l2.c 	return uvcg_queue_poll(&uvc->video.queue, file, wait);