attached: version WITHOUT word wrap. I apologize for the last email.
Nick
diff -urpN alsa-driver/sound/pci/hda/patch_sigmatel.c alsa-driver.a/sound/pci/hda/patch_sigmatel.c
--- alsa-driver/sound/pci/hda/patch_sigmatel.c 2009-05-12 22:05:31.000000000 +0000
+++ alsa-driver.a/sound/pci/hda/patch_sigmatel.c 2009-05-13 12:24:17.000000000 +0000
@@ -634,6 +634,96 @@ static int stac92xx_smux_enum_put(struct
return 0;
}
+static unsigned int stac92xx_vref_set(struct hda_codec *codec,
+ hda_nid_t nid, unsigned int new_vref)
+{
+ unsigned int error;
+ unsigned int pincfg;
+ pincfg = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+
+ pincfg &= 0xff;
+ pincfg &= ~(AC_PINCTL_VREFEN | AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN);
+ pincfg |= new_vref;
+
+ if (new_vref == AC_PINCTL_VREF_HIZ)
+ pincfg |= AC_PINCTL_OUT_EN;
+ else
+ pincfg |= AC_PINCTL_IN_EN;
+
+ error = snd_hda_codec_write_cache(codec, nid, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, pincfg);
+ if (error < 0)
+ return error;
+ else
+ return 1;
+}
+
+static unsigned int stac92xx_vref_get(struct hda_codec *codec, hda_nid_t nid)
+{
+ unsigned int vref;
+ vref = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+ vref &= AC_PINCTL_VREFEN;
+ return vref;
+}
+
+static int stac92xx_dc_bias_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int new_vref;
+ unsigned int error;
+
+ if (ucontrol->value.enumerated.item[0] == 0)
+ new_vref = AC_PINCTL_VREF_80;
+ else if (ucontrol->value.enumerated.item[0] == 1)
+ new_vref = AC_PINCTL_VREF_GRD;
+ else
+ new_vref = AC_PINCTL_VREF_HIZ;
+
+ if (new_vref != stac92xx_vref_get(codec, kcontrol->private_value)) {
+ error = stac92xx_vref_set(codec,
+ kcontrol->private_value, new_vref);
+ return error;
+ }
+
+ return 0;
+}
+
+static int stac92xx_dc_bias_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int vref = stac92xx_vref_get(codec, kcontrol->private_value);
+ if (vref == AC_PINCTL_VREF_80)
+ ucontrol->value.enumerated.item[0] = 0;
+ else if (vref == AC_PINCTL_VREF_GRD)
+ ucontrol->value.enumerated.item[0] = 1;
+ else if (vref == AC_PINCTL_VREF_HIZ)
+ ucontrol->value.enumerated.item[0] = 2;
+
+ return 0;
+}
+
+static int stac92xx_dc_bias_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static char *texts[] = {
+ "Mic In", "Line In", "Line Out"
+ };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->value.enumerated.items = 3;
+ uinfo->count = 1;
+ if (uinfo->value.enumerated.item >= 3)
+ uinfo->value.enumerated.item = 2;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}
+
static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
@@ -995,6 +1085,17 @@ static struct hda_verb stac9205_core_ini
.private_value = verb_read | (verb_write << 16), \
}
+#define DC_BIAS(xname, idx, nid) \
+ { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .index = idx, \
+ .info = stac92xx_dc_bias_info, \
+ .get = stac92xx_dc_bias_get, \
+ .put = stac92xx_dc_bias_put, \
+ .private_value = nid, \
+ }
+
static struct snd_kcontrol_new stac9200_mixer[] = {
HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Master Playback Switch", 0xb, 0, HDA_OUTPUT),
@@ -2702,7 +2803,8 @@ enum {
STAC_CTL_WIDGET_AMP_VOL,
STAC_CTL_WIDGET_HP_SWITCH,
STAC_CTL_WIDGET_IO_SWITCH,
- STAC_CTL_WIDGET_CLFE_SWITCH
+ STAC_CTL_WIDGET_CLFE_SWITCH,
+ STAC_CTL_WIDGET_DC_BIAS
};
static struct snd_kcontrol_new stac92xx_control_templates[] = {
@@ -2714,6 +2816,7 @@ static struct snd_kcontrol_new stac92xx_
STAC_CODEC_HP_SWITCH(NULL),
STAC_CODEC_IO_SWITCH(NULL, 0),
STAC_CODEC_CLFE_SWITCH(NULL, 0),
+ DC_BIAS(NULL, 0, 0),
};
/* add dynamic controls */
@@ -3165,9 +3268,9 @@ static int stac92xx_auto_create_multi_ou
}
if (spec->mic_switch) {
- err = stac92xx_add_control(spec, STAC_CTL_WIDGET_IO_SWITCH,
- "Mic as Output Switch",
- (spec->mic_switch << 8) | 1);
+ err = stac92xx_add_control(spec, STAC_CTL_WIDGET_DC_BIAS,
+ "Mic Jack Mode",
+ spec->mic_switch);
if (err < 0)
return err;
}
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