[ALSA] hda: Mono mux mixer support

Add support for the mono mux on several 92HD7xxx codecs.
Creates a dynamic mixer for the mux selection.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 82 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 24137bc975c4..e014ae38db0f 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -131,6 +131,8 @@ struct sigmatel_spec {
         hda_nid_t *pwr_nids;
 
         /* playback */
+        struct hda_input_mux *mono_mux;
+        unsigned int cur_mmux;
         struct hda_multi_out multiout;
         hda_nid_t dac_nids[5];
 
@@ -144,6 +146,7 @@ struct sigmatel_spec {
         hda_nid_t *dmux_nids;
         unsigned int num_dmuxes;
         hda_nid_t dig_in_nid;
+        hda_nid_t mono_nid;
 
         /* pin widgets */
         hda_nid_t *pin_nids;
@@ -174,6 +177,7 @@ struct sigmatel_spec {
         struct snd_kcontrol_new *kctl_alloc;
         struct hda_input_mux private_dimux;
         struct hda_input_mux private_imux;
+        struct hda_input_mux private_mono_mux;
 
         /* virtual master */
         unsigned int vmaster_tlv[4];
@@ -401,6 +405,34 @@ static int stac92xx_mux_enum_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
                                      spec->mux_nids[adc_idx], &spec->cur_mux[adc_idx]);
 }
 
+static int stac92xx_mono_mux_enum_info(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct sigmatel_spec *spec = codec->spec;
+        return snd_hda_input_mux_info(spec->mono_mux, uinfo);
+}
+
+static int stac92xx_mono_mux_enum_get(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct sigmatel_spec *spec = codec->spec;
+
+        ucontrol->value.enumerated.item[0] = spec->cur_mmux;
+        return 0;
+}
+
+static int stac92xx_mono_mux_enum_put(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct sigmatel_spec *spec = codec->spec;
+
+        return snd_hda_input_mux_put(codec, spec->mono_mux, ucontrol,
+                                     spec->mono_nid, &spec->cur_mmux);
+}
+
 #define stac92xx_aloopback_info snd_ctl_boolean_mono_info
 
 static int stac92xx_aloopback_get(struct snd_kcontrol *kcontrol,
@@ -603,6 +635,16 @@ static struct hda_verb stac9205_core_init[] = {
         {}
 };
 
+#define STAC_MONO_MUX \
+        { \
+                .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+                .name = "Mono Mux", \
+                .count = 1, \
+                .info = stac92xx_mono_mux_enum_info, \
+                .get = stac92xx_mono_mux_enum_get, \
+                .put = stac92xx_mono_mux_enum_put, \
+        }
+
 #define STAC_INPUT_SOURCE(cnt) \
         { \
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
@@ -714,6 +756,7 @@ static struct snd_kcontrol_new stac92hd73xx_10ch_mixer[] = {
 
 static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
         STAC_INPUT_SOURCE(2),
+        STAC_MONO_MUX,
 
         HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
         HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT),
@@ -733,6 +776,7 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
 static struct snd_kcontrol_new stac92hd71bxx_mixer[] = {
         STAC_INPUT_SOURCE(2),
         STAC_ANALOG_LOOPBACK(0xFA0, 0x7A0, 2),
+        STAC_MONO_MUX,
 
         HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
         HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT),
@@ -1180,7 +1224,7 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = {
 
 static unsigned int ref92hd71bxx_pin_configs[10] = {
         0x02214030, 0x02a19040, 0x01a19020, 0x01014010,
-        0x0181302e, 0x01114010, 0x01a19020, 0x90a000f0,
+        0x0181302e, 0x01114010, 0x01019020, 0x90a000f0,
         0x90a000f0, 0x01452050,
 };
 
@@ -2318,6 +2362,35 @@ static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec,
         return 0;
 }
 
+/* labels for mono mux outputs */
+static const char *stac92xx_mono_labels[3] = {
+        "DAC0", "DAC1", "Mixer"
+};
+
+/* create mono mux for mono out on capable codecs */
+static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec)
+{
+        struct sigmatel_spec *spec = codec->spec;
+        struct hda_input_mux *mono_mux = &spec->private_mono_mux;
+        int i, num_cons;
+        hda_nid_t con_lst[ARRAY_SIZE(stac92xx_mono_labels)];
+
+        num_cons = snd_hda_get_connections(codec,
+                                spec->mono_nid,
+                                con_lst,
+                                HDA_MAX_NUM_INPUTS);
+        if (!num_cons || num_cons > ARRAY_SIZE(stac92xx_mono_labels))
+                return -EINVAL;
+
+        for (i = 0; i < num_cons; i++) {
+                mono_mux->items[mono_mux->num_items].label =
+                                        stac92xx_mono_labels[i];
+                mono_mux->items[mono_mux->num_items].index = i;
+                mono_mux->num_items++;
+        }
+        return 0;
+}
+
 /* labels for dmic mux inputs */
 static const char *stac92xx_dmic_labels[5] = {
         "Analog Inputs", "Digital Mic 1", "Digital Mic 2",
@@ -2532,6 +2605,12 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
         if (err < 0)
                 return err;
 
+        if (spec->mono_nid > 0) {
+                err = stac92xx_auto_create_mono_output_ctls(codec);
+                if (err < 0)
+                        return err;
+        }
+
         if (spec->num_dmics > 0)
                 if ((err = stac92xx_auto_create_dmic_input_ctls(codec,
                                                 &spec->autocfg)) < 0)
@@ -2552,6 +2631,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
         spec->input_mux = &spec->private_imux;
         if (!spec->dinput_mux)
                 spec->dinput_mux = &spec->private_dimux;
+        spec->mono_mux = &spec->private_mono_mux;
 
         return 1;
 }
@@ -3237,6 +3317,7 @@ again:
 
         spec->gpio_mask = spec->gpio_data = 0x00000001; /* GPIO0 High = EAPD */
 
+        spec->mono_nid = 0x15;
         spec->mux_nids = stac92hd71bxx_mux_nids;
         spec->adc_nids = stac92hd71bxx_adc_nids;
         spec->dmic_nids = stac92hd71bxx_dmic_nids;