- if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
- unsigned int vmaster_tlv[4];
- snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
- HDA_OUTPUT, vmaster_tlv);
- /* correct volume offset */
- vmaster_tlv[2] += vmaster_tlv[3] * spec->volume_offset;
- /* minimum value is actually mute */
- vmaster_tlv[3] |= TLV_DB_SCALE_MUTE;
- err = snd_hda_add_vmaster(codec, "Master Playback Volume",
- vmaster_tlv, slave_pfxs,
- "Playback Volume");
- if (err < 0)
- return err;
- }
- if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
- err = snd_hda_add_vmaster(codec, "Master Playback Switch",
- NULL, slave_pfxs,
- "Playback Switch");
- if (err < 0)
- return err;
+ snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
+ HDA_OUTPUT, vmaster_tlv);
+ /* correct volume offset */
+ vmaster_tlv[2] += vmaster_tlv[3] * spec->volume_offset;
+ /* minimum value is actually mute */
+ vmaster_tlv[3] |= TLV_DB_SCALE_MUTE;
+ err = snd_hda_add_vmaster(codec, "Master Playback Volume",
+ vmaster_tlv, slave_pfxs,
+ "Playback Volume");
+ if (err < 0)
+ return err;
+
+ err = __snd_hda_add_vmaster(codec, "Master Playback Switch",
+ NULL, slave_pfxs,
+ "Playback Switch", true,
+ &spec->vmaster_sw_kctl);
+ if (err < 0)
+ return err;
+
+ if (spec->gpio_led) {
+ snd_ctl_add_vmaster_hook(spec->vmaster_sw_kctl,
+ stac92xx_vmaster_hook, codec);
+ snd_ctl_sync_vmaster_hook(spec->vmaster_sw_kctl);