AC97_MIX_TONE
if (reg == AC97_MIX_TONE &&
[SOUND_MIXER_BASS] = { AC97_MIX_TONE, 4, 8, 0, 0, 0, 1, 0 },
[SOUND_MIXER_TREBLE] = { AC97_MIX_TONE, 4, 0, 0, 0, 0, 1, 0 },