UHID_INTR_DT_WR
[UHID_INTR_DT_WR] = {
sc->sc_xfer[UHID_INTR_DT_WR] == NULL) {
usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_WR]);
usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_WR]);