OPL3SA2_SINGLE("Mic Playback Switch", 0, 0x09, 7, 1, 1),
OPL3SA2_SINGLE_TLV("Mic Playback Volume", 0, 0x09, 0, 31, 1,
db_scale_5bit_12db_max),
+OPL3SA2_SINGLE("ZV Port Switch", 0, 0x02, 0, 1, 0),
};
static struct snd_kcontrol_new snd_opl3sa2_tone_controls[] = {