interface_desc    652 dev/usb/umidi.c 	usb_interface_descriptor_t *interface_desc;
interface_desc    660 dev/usb/umidi.c 	interface_desc = usbd_get_interface_descriptor(sc->sc_iface);
interface_desc    661 dev/usb/umidi.c 	num_ep = interface_desc->bNumEndpoints;