Added support for muting S/DPIF outs using the 'Digital Playback Source' muxs on supporting codecs.
Signed-off-by: Matthew Ranostay mranostay@embeddedalley.com ---
diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c index b5c1449..cb419a0 100644 --- a/pci/hda/patch_sigmatel.c +++ b/pci/hda/patch_sigmatel.c @@ -138,6 +138,7 @@ struct sigmatel_spec { unsigned int mic_switch: 1; unsigned int alt_switch: 1; unsigned int hp_detect: 1; + unsigned int spdif_mute: 1;
/* gpio lines */ unsigned int eapd_mask; @@ -547,10 +548,32 @@ static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol, { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct sigmatel_spec *spec = codec->spec; + struct hda_input_mux *smux = &spec->private_smux; unsigned int smux_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + int err, val; + hda_nid_t nid;
- return snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol, + err = snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol, spec->smux_nids[smux_idx], &spec->cur_smux[smux_idx]); + if (err < 0) + return err; + + if (spec->spdif_mute) { + if (smux_idx == 0) + nid = spec->multiout.dig_out_nid; + else + nid = codec->slave_dig_outs[smux_idx - 1]; + if (spec->cur_smux[smux_idx] == smux->num_items - 1) + val = AMP_OUT_MUTE; + if (smux_idx == 0) + nid = spec->multiout.dig_out_nid; + else + nid = codec->slave_dig_outs[smux_idx - 1]; + /* un/mute SPDIF out */ + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_AMP_GAIN_MUTE, val); + } + return 0; }
static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) @@ -1228,6 +1251,15 @@ static int stac92xx_build_controls(struct hda_codec *codec) return err; } if (spec->num_smuxes > 0) { + int wcaps = get_wcaps(codec, spec->multiout.dig_out_nid); + struct hda_input_mux *smux = &spec->private_smux; + /* check for mute support on SPDIF out */ + if (wcaps & AC_WCAP_OUT_AMP) { + smux->items[smux->num_items].label = "Off"; + smux->items[smux->num_items].index = 0; + smux->num_items++; + spec->spdif_mute = 1; + } stac_smux_mixer.count = spec->num_smuxes; err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&stac_smux_mixer, codec)); @@ -4370,7 +4402,6 @@ again:
spec->num_muxes = ARRAY_SIZE(stac92hd71bxx_mux_nids); spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids); - spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
switch (spec->board_config) { case STAC_HP_M4: