WI_USB_ENDPT_INTR
sc->wi_usb_ed[WI_USB_ENDPT_INTR], 0,
&sc->wi_usb_ep[WI_USB_ENDPT_INTR], sc, &sc->wi_usb_ibuf,
sc->wi_usb_ed[WI_USB_ENDPT_INTR] = ed->bEndpointAddress;
if (sc->wi_usb_ep[WI_USB_ENDPT_INTR] != NULL) {
err = usbd_close_pipe(sc->wi_usb_ep[WI_USB_ENDPT_INTR]);
sc->wi_usb_ep[WI_USB_ENDPT_INTR] = NULL;