2 files changed, 82 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index bb3a863ad14e..a7def6a9a030 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -192,6 +192,12 @@
         .get = snd_soc_dapm_get_value_enum_double, \
         .put = snd_soc_dapm_put_value_enum_double, \
         .private_value = (unsigned long)&xenum }
+#define SOC_DAPM_PIN_SWITCH(xname) \
+{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \
+        .info = snd_soc_dapm_info_pin_switch, \
+        .get = snd_soc_dapm_get_pin_switch, \
+        .put = snd_soc_dapm_put_pin_switch, \
+        .private_value = (unsigned long)xname }
 
 /* dapm stream operations */
 #define SND_SOC_DAPM_STREAM_NOP                 0x0
@@ -238,6 +244,12 @@ int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo);
+int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *uncontrol);
+int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *uncontrol);
 int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
         const struct snd_soc_dapm_widget *widget);
 int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index f4a8753c84c0..4b8dbbfe2efb 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1421,6 +1421,76 @@ out:
 EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
 
 /**
+ * snd_soc_dapm_info_pin_switch - Info for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a pin switch control.
+ */
+int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 1;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
+
+/**
+ * snd_soc_dapm_get_pin_switch - Get information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+        const char *pin = (const char *)kcontrol->private_value;
+
+        mutex_lock(&codec->mutex);
+
+        ucontrol->value.integer.value[0] =
+                snd_soc_dapm_get_pin_status(codec, pin);
+
+        mutex_unlock(&codec->mutex);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
+
+/**
+ * snd_soc_dapm_put_pin_switch - Set information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+        const char *pin = (const char *)kcontrol->private_value;
+
+        mutex_lock(&codec->mutex);
+
+        if (ucontrol->value.integer.value[0])
+                snd_soc_dapm_enable_pin(codec, pin);
+        else
+                snd_soc_dapm_disable_pin(codec, pin);
+
+        snd_soc_dapm_sync(codec);
+
+        mutex_unlock(&codec->mutex);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
+
+/**
  * snd_soc_dapm_new_control - create new dapm control
  * @codec: audio codec
  * @widget: widget template