VIA8233_MP_BASE
if (ch->sc_base != VIA8233_MP_BASE) {
sc->sc_play.sc_base = VIA8233_MP_BASE;
if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
} else if (ch->sc_base != VIA8233_MP_BASE) {