[ALSA] hda: Add dynamic mono mixer support for STAC92xx codecs

Allows for dynamically creating mono out mixer controls and well
as mono mux controls.

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

3 files changed, 53 insertions, 11 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index df927be176af..26812dc2b7f2 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -769,7 +769,7 @@ get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 /*
  * query AMP capabilities for the given widget and direction
  */
-static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
+u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 {
         struct hda_amp_info *info;
 
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 8a96047d3c79..ad0014ab71f9 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -375,6 +375,7 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
         return codec->wcaps[nid - codec->start_nid];
 }
 
+u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
                               unsigned int caps);
 
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index e014ae38db0f..b8152efbfc8c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -756,7 +756,6 @@ 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),
@@ -768,15 +767,12 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
 
         HDA_CODEC_MUTE("Analog Loopback 1", 0x17, 0x3, HDA_INPUT),
         HDA_CODEC_MUTE("Analog Loopback 2", 0x17, 0x4, HDA_INPUT),
-
-        HDA_CODEC_MUTE_MONO("Mono Playback Switch", 0x14, 0x1, 0, HDA_INPUT),
         { } /* end */
 };
 
 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),
@@ -785,8 +781,6 @@ static struct snd_kcontrol_new stac92hd71bxx_mixer[] = {
         HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1d, 0x0, HDA_OUTPUT),
         HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1d, 0x0, HDA_OUTPUT),
         HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x1, 0x1b, 0x0, HDA_OUTPUT),
-
-        HDA_CODEC_MUTE_MONO("Mono Playback Switch", 0x14, 0x1, 0, HDA_INPUT),
         { } /* end */
 };
 
@@ -1157,7 +1151,7 @@ static struct snd_pci_quirk stac9200_cfg_tbl[] = {
 
 static unsigned int ref925x_pin_configs[8] = {
         0x40c003f0, 0x424503f2, 0x01813022, 0x02a19021,
-        0x90a70320, 0x02214210, 0x400003f1, 0x9033032e,
+        0x90a70320, 0x02214210, 0x01019020, 0x9033032e,
 };
 
 static unsigned int stac925x_MA6_pin_configs[8] = {
@@ -1561,7 +1555,7 @@ static struct snd_pci_quirk stac927x_cfg_tbl[] = {
 
 static unsigned int ref9205_pin_configs[12] = {
         0x40000100, 0x40000100, 0x01016011, 0x01014010,
-        0x01813122, 0x01a19021, 0x40000100, 0x40000100,
+        0x01813122, 0x01a19021, 0x01019020, 0x40000100,
         0x90a000f0, 0x90a000f0, 0x01441030, 0x01c41030
 };
 
@@ -2018,6 +2012,7 @@ static int stac92xx_clfe_switch_put(struct snd_kcontrol *kcontrol,
 enum {
         STAC_CTL_WIDGET_VOL,
         STAC_CTL_WIDGET_MUTE,
+        STAC_CTL_WIDGET_MONO_MUX,
         STAC_CTL_WIDGET_IO_SWITCH,
         STAC_CTL_WIDGET_CLFE_SWITCH
 };
@@ -2025,6 +2020,7 @@ enum {
 static struct snd_kcontrol_new stac92xx_control_templates[] = {
         HDA_CODEC_VOLUME(NULL, 0, 0, 0),
         HDA_CODEC_MUTE(NULL, 0, 0, 0),
+        STAC_MONO_MUX,
         STAC_CODEC_IO_SWITCH(NULL, 0),
         STAC_CODEC_CLFE_SWITCH(NULL, 0),
 };
@@ -2388,7 +2384,9 @@ static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec)
                 mono_mux->items[mono_mux->num_items].index = i;
                 mono_mux->num_items++;
         }
-        return 0;
+
+        return stac92xx_add_control(spec, STAC_CTL_WIDGET_MONO_MUX,
+                                "Mono Mux", spec->mono_nid);
 }
 
 /* labels for dmic mux inputs */
@@ -2570,6 +2568,50 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
                 spec->autocfg.line_outs = spec->autocfg.hp_outs;
                 hp_speaker_swap = 1;
         }
+        if (spec->autocfg.mono_out_pin) {
+                int dir = (get_wcaps(codec, spec->autocfg.mono_out_pin)
+                                & AC_WCAP_OUT_AMP) ? HDA_OUTPUT : HDA_INPUT;
+                u32 caps = query_amp_caps(codec,
+                                spec->autocfg.mono_out_pin, dir);
+                hda_nid_t conn_list[1];
+
+                /* get the mixer node and then the mono mux if it exists */
+                if (snd_hda_get_connections(codec,
+                                spec->autocfg.mono_out_pin, conn_list, 1) &&
+                                snd_hda_get_connections(codec, conn_list[0],
+                                conn_list, 1)) {
+
+                                int wcaps = get_wcaps(codec, conn_list[0]);
+                                int wid_type = (wcaps & AC_WCAP_TYPE)
+                                        >> AC_WCAP_TYPE_SHIFT;
+                                /* LR swap check, some stac925x have a mux that
+                                 * changes the DACs output path instead of the
+                                 * mono-mux path.
+                                 */
+                                if (wid_type == AC_WID_AUD_SEL &&
+                                                !(wcaps & AC_WCAP_LR_SWAP))
+                                        spec->mono_nid = conn_list[0];
+                }
+                /* all mono outs have a least a mute/unmute switch */
+                err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE,
+                        "Mono Playback Switch",
+                        HDA_COMPOSE_AMP_VAL(spec->autocfg.mono_out_pin,
+                                        1, 0, dir));
+                if (err < 0)
+                        return err;
+                /* check to see if there is volume support for the amp */
+                if ((caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT) {
+                        err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL,
+                                "Mono Playback Volume",
+                                HDA_COMPOSE_AMP_VAL(spec->autocfg.mono_out_pin,
+                                        1, 0, dir));
+                        if (err < 0)
+                                return err;
+                }
+
+                stac92xx_auto_set_pinctl(codec, spec->autocfg.mono_out_pin,
+                                         AC_PINCTL_OUT_EN);
+        }
 
         if ((err = stac92xx_add_dyn_out_pins(codec, &spec->autocfg)) < 0)
                 return err;
@@ -3317,7 +3359,6 @@ 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;