CHANGER_NEED_TIMEOUT
&& ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
changer->flags |= CHANGER_NEED_TIMEOUT;
&& ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
} else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
changer->flags &= ~CHANGER_NEED_TIMEOUT;
&& ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)