AC97_MUTE_MASK_STEREO
AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
val1 = val | AC97_MUTE_MASK_STEREO;
mute_mask = AC97_MUTE_MASK_STEREO;
if (mute_mask == AC97_MUTE_MASK_STEREO) {
(snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
mask = AC97_MUTE_MASK_STEREO;
mask = AC97_MUTE_MASK_STEREO;