ALSA: hda: dynamically create capture mux controls

Dynamically create capture mux volume controls when a output amp is detected.

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

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index fac6b3c..75112e4 100644 (file)
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -795,7 +795,6 @@ static struct snd_kcontrol_new stac9200_mixer[] = {
        STAC_INPUT_SOURCE(1),
        HDA_CODEC_VOLUME("Capture Volume", 0x0a, 0, HDA_OUTPUT),
        HDA_CODEC_MUTE("Capture Switch", 0x0a, 0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME("Capture Mux Volume", 0x0c, 0, HDA_OUTPUT),
        { } /* end */
 };
 
@@ -909,12 +908,9 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x0, 0x1a, 0x0, HDA_OUTPUT),
 
        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),
-
        /* analog pc-beep replaced with digital beep support */
        /*
        HDA_CODEC_VOLUME("PC Beep Volume", 0x17, 0x2, HDA_INPUT),
@@ -932,11 +928,9 @@ static struct snd_kcontrol_new stac92hd71bxx_mixer[] = {
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x0, 0x1a, 0x0, HDA_OUTPUT),
 
        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),
        { } /* end */
 };
 
@@ -944,7 +938,6 @@ static struct snd_kcontrol_new stac925x_mixer[] = {
        STAC_INPUT_SOURCE(1),
        HDA_CODEC_VOLUME("Capture Volume", 0x09, 0, HDA_OUTPUT),
        HDA_CODEC_MUTE("Capture Switch", 0x14, 0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME("Capture Mux Volume", 0x0f, 0, HDA_OUTPUT),
        { } /* end */
 };
 
@@ -954,12 +947,9 @@ static struct snd_kcontrol_new stac9205_mixer[] = {
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1b, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1d, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x19, 0x0, HDA_OUTPUT),
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1c, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1e, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x1A, 0x0, HDA_OUTPUT),
-
        { } /* end */
 };
 
@@ -968,11 +958,9 @@ static struct snd_kcontrol_new stac922x_mixer[] = {
        STAC_INPUT_SOURCE(2),
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x17, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x17, 0x0, HDA_INPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x12, 0x0, HDA_OUTPUT),
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x18, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x18, 0x0, HDA_INPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x13, 0x0, HDA_OUTPUT),
        { } /* end */
 };
 
@@ -983,15 +971,12 @@ static struct snd_kcontrol_new stac927x_mixer[] = {
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x18, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1b, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x15, 0x0, HDA_OUTPUT),
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x19, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1c, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x16, 0x0, HDA_OUTPUT),
 
        HDA_CODEC_VOLUME_IDX("Capture Volume", 0x2, 0x1A, 0x0, HDA_INPUT),
        HDA_CODEC_MUTE_IDX("Capture Switch", 0x2, 0x1d, 0x0, HDA_OUTPUT),
-       HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x2, 0x17, 0x0, HDA_OUTPUT),
        { } /* end */
 };
 
@@ -2352,7 +2337,8 @@ static struct snd_kcontrol_new stac92xx_control_templates[] = {
 };
 
 /* add dynamic controls */
-static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char *name, unsigned long val)
+static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type,
+               int idx, const char *name, unsigned long val)
 {
        struct snd_kcontrol_new *knew;
 
@@ -2372,6 +2358,7 @@ static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char
 
        knew = &spec->kctl_alloc[spec->num_kctl_used];
        *knew = stac92xx_control_templates[type];
+       knew->index = idx;
        knew->name = kstrdup(name, GFP_KERNEL);
        if (! knew->name)
                return -ENOMEM;
@@ -2380,6 +2367,14 @@ static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char
        return 0;
 }
 
+
+/* add dynamic controls */
+static int stac92xx_add_control(struct sigmatel_spec *spec, int type,
+               const char *name, unsigned long val)
+{
+       return stac92xx_add_control_idx(spec, type, 0, name, val);
+}
+
 /* flag inputs as additional dynamic lineouts */
 static int stac92xx_add_dyn_out_pins(struct hda_codec *codec, struct auto_pin_cfg *cfg)
 {
@@ -2781,6 +2776,26 @@ static int stac92xx_auto_create_beep_ctls(struct hda_codec *codec,
        return 0;
 }
 
+static int stac92xx_auto_create_mux_input_ctls(struct hda_codec *codec)
+{
+       struct sigmatel_spec *spec = codec->spec;
+       int wcaps, nid, i, err = 0;
+
+       for (i = 0; i < spec->num_muxes; i++) {
+               nid = spec->mux_nids[i];
+               wcaps = get_wcaps(codec, nid);
+
+               if (wcaps & AC_WCAP_OUT_AMP) {
+                       err = stac92xx_add_control_idx(spec,
+                               STAC_CTL_WIDGET_VOL, i, "Mux Capture Volume",
+                               HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT));
+                       if (err < 0)
+                               return err;
+               }
+       }
+       return 0;
+};
+
 /* labels for dmic mux inputs */
 static const char *stac92xx_dmic_labels[5] = {
        "Analog Inputs", "Digital Mic 1", "Digital Mic 2",
@@ -3079,6 +3094,11 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
                if ((err = stac92xx_auto_create_dmic_input_ctls(codec,
                                                &spec->autocfg)) < 0)
                        return err;
+       if (spec->num_muxes > 0) {
+               err = stac92xx_auto_create_mux_input_ctls(codec);
+               if (err < 0)
+                       return err;
+       }
 
        spec->multiout.max_channels = spec->multiout.num_dacs * 2;
        if (spec->multiout.max_channels > 2)