NCR_IDLE
if (sc->sc_state == NCR_IDLE)
sc->sc_state = NCR_IDLE;
case NCR_IDLE:
if (sc->sc_state == NCR_IDLE) {
sc->sc_state = NCR_IDLE;
if (sc->sc_state == NCR_IDLE)
sc->sc_state = NCR_IDLE;
if (sc->sc_state == NCR_IDLE)
if (sc->sc_state == NCR_IDLE) {
if (sc->sc_state != NCR_IDLE)