J720PWR_POWEROFF
while (sc->sc_state & J720PWR_POWEROFF) {
if ((sc->sc_state & (J720PWR_POWEROFF | J720PWR_SLEEPING)) == 0) {
sc->sc_state |= J720PWR_POWEROFF;
} else if ((sc->sc_state & (J720PWR_POWEROFF | J720PWR_SLEEPING)) ==
(J720PWR_POWEROFF | J720PWR_SLEEPING)) {
sc->sc_state &= ~J720PWR_POWEROFF;
sc->sc_state |= (J720PWR_SLEEPING | J720PWR_POWEROFF);
sc->sc_state &= ~(J720PWR_SLEEPING | J720PWR_POWEROFF);