[alsa-devel] [PATCH] hda: dynamically create capture mux controls
Matthew Ranostay
mranostay at embeddedalley.com
Thu Aug 14 21:05:43 CEST 2008
Dynamically create capture mux volume controls when a output amp is detected.
---
Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>
diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c
index ff56432..eae6df1 100644
--- a/pci/hda/patch_sigmatel.c
+++ b/pci/hda/patch_sigmatel.c
@@ -794,7 +794,6 @@ 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 */
};
@@ -908,12 +907,9 @@ 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),
@@ -931,11 +927,9 @@ 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 */
};
@@ -943,7 +937,6 @@ 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 */
};
@@ -953,12 +946,9 @@ 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 */
};
@@ -967,11 +957,9 @@ 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 */
};
@@ -982,15 +970,12 @@ 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 */
};
@@ -2351,7 +2336,8 @@ 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;
@@ -2371,6 +2357,7 @@ 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;
@@ -2379,6 +2366,14 @@ 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)
{
@@ -2780,6 +2775,26 @@ 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",
@@ -3078,6 +3093,11 @@ 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)
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