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