AUE_ENDPT_INTR
err = usbd_open_pipe_intr(sc->aue_iface, sc->aue_ed[AUE_ENDPT_INTR],
0, &sc->aue_ep[AUE_ENDPT_INTR], sc,
if (sc->aue_ep[AUE_ENDPT_INTR] != NULL) {
err = usbd_close_pipe(sc->aue_ep[AUE_ENDPT_INTR]);
sc->aue_ep[AUE_ENDPT_INTR] = NULL;
sc->aue_ed[AUE_ENDPT_INTR] = ed->bEndpointAddress;
sc->aue_ed[AUE_ENDPT_INTR] == 0) {
sc->aue_ep[AUE_ENDPT_INTR] != NULL)