+static int stac92xx_dc_bias_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int i;
+ static char *texts[] = {
+ "Mic In", "Line In", "Line Out"
+ };
+
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct sigmatel_spec *spec = codec->spec;
+ hda_nid_t nid = kcontrol->private_value;
+
+ if (nid == spec->mic_switch || nid == spec->line_switch)
+ i = 3;
+ else
+ i = 2;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->value.enumerated.items = i;
+ uinfo->count = 1;
+ if (uinfo->value.enumerated.item >= i)
+ uinfo->value.enumerated.item = i-1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ 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);
+ hda_nid_t nid = kcontrol->private_value;
+ unsigned int vref = stac92xx_vref_get(codec, nid);
+
+ if (vref == stac92xx_get_default_vref(codec, nid))
+ 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_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int new_vref = 0;
+ int error;
+ hda_nid_t nid = kcontrol->private_value;
+
+ if (ucontrol->value.enumerated.item[0] == 0)
+ new_vref = stac92xx_get_default_vref(codec, nid);
+ else if (ucontrol->value.enumerated.item[0] == 1)
+ new_vref = AC_PINCTL_VREF_GRD;
+ else if (ucontrol->value.enumerated.item[0] == 2)
+ new_vref = AC_PINCTL_VREF_HIZ;
+ else
+ return 0;
+
+ if (new_vref != stac92xx_vref_get(codec, nid)) {
+ error = stac92xx_vref_set(codec, nid, new_vref);
+ return error;
+ }
+
+ return 0;
+}
+
+static int stac92xx_io_switch_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static char *texts[2];
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct sigmatel_spec *spec = codec->spec;
+
+ if (kcontrol->private_value == spec->line_switch)
+ texts[0] = "Line In";
+ else
+ texts[0] = "Mic In";
+ texts[1] = "Line Out";
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->value.enumerated.items = 2;
+ uinfo->count = 1;
+
+ if (uinfo->value.enumerated.item >= 2)
+ uinfo->value.enumerated.item = 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}