BA0_ACCTL_ESYN
snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_ESYN);
snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_VFRM | BA0_ACCTL_ESYN);
BA0_ACCTL_ESYN | (ac97->num ? BA0_ACCTL_TC : 0));
BA0_ACCTL_VFRM | BA0_ACCTL_ESYN |