cs4281_wrcd
KOBJMETHOD(ac97_write, cs4281_wrcd),
cs4281_wrcd(0, sc, AC97_MIX_AUXOUT, 0);
cs4281_wrcd(0, sc, AC97_MIX_MASTER, 0);
cs4281_wrcd(0, sc, AC97_REG_POWER, v);
cs4281_wrcd(0, sc, AC97_REG_POWER, v);