BT3C_ENABLED
KASSERT(sc->sc_flags & BT3C_ENABLED);
KASSERT(sc->sc_flags & BT3C_ENABLED);
KASSERT(sc->sc_flags & BT3C_ENABLED);
if (sc->sc_flags & BT3C_ENABLED)
sc->sc_flags |= BT3C_ENABLED;
if ((sc->sc_flags & BT3C_ENABLED) == 0)
sc->sc_flags &= ~BT3C_ENABLED;