SB_MIC_IN_MUTE
case SB_MIC_IN_MUTE:
case SB_MIC_IN_MUTE:
dip->next = is1745 ? SB_MIC_IN_MUTE : AUDIO_MIXER_LAST;
case SB_MIC_IN_MUTE:
dip->prev = SB_MIC_IN_MUTE;
case SB_MIC_IN_MUTE: