AC97_MIX_RGAIN
case AC97_MIX_RGAIN:
emulated = sc->ac97_state[AC97_MIX_RGAIN];
case AC97_MIX_RGAIN: /* RECORD GAIN */
sc->ac97_state[AC97_MIX_RGAIN] = data & (0x8000 | 0x0f0f);
[SOUND_MIXER_RECLEV] = { -AC97_MIX_RGAIN, 4, 0, 1, 1, 0, 0, 1 }