BA0_HICR
snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);
snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);
snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI);
snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_CHGM);
snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV);
snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV);
snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_IEV | HICR_CHGM);