BA1_CIE
tmp = snd_cs46xx_peek(chip, BA1_CIE);
snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt disable */
tmp = snd_cs46xx_peek(chip, BA1_CIE);
snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt enable */