sync_pipe         129 dev/usb/uaudio.c 	usbd_pipe_handle sync_pipe;
sync_pipe        2553 dev/usb/uaudio.c 	ch->sync_pipe = 0;
sync_pipe        2561 dev/usb/uaudio.c 		err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
sync_pipe        2581 dev/usb/uaudio.c 	if (ch->sync_pipe) {
sync_pipe        2582 dev/usb/uaudio.c 		usbd_abort_pipe(ch->sync_pipe);
sync_pipe        2583 dev/usb/uaudio.c 		usbd_close_pipe(ch->sync_pipe);