AUPSC_SEL_DISABLE
sc->sc_pscsel = AUPSC_SEL_DISABLE;
AUPSC_SEL, (rv & AUPSC_SEL_PS(AUPSC_SEL_DISABLE)));
case AUPSC_SEL_DISABLE:
if (*(sc->sc_ctrl.psc_sel) != AUPSC_SEL_DISABLE) {
AUPSC_SEL, AUPSC_SEL_PS(AUPSC_SEL_DISABLE));
{ NULL, AUPSC_SEL_DISABLE }