2 files changed, 58 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 67224db60348..c5c95e1da65b 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -206,6 +206,12 @@
         .get = snd_soc_dapm_get_enum_double, \
         .put = snd_soc_dapm_put_enum_double, \
         .private_value = (unsigned long)&xenum }
+#define SOC_DAPM_ENUM_VIRT(xname, xenum)                    \
+{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+        .info = snd_soc_info_enum_double, \
+        .get = snd_soc_dapm_get_enum_virt, \
+        .put = snd_soc_dapm_put_enum_virt, \
+        .private_value = (unsigned long)&xenum }
 #define SOC_DAPM_VALUE_ENUM(xname, xenum) \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
         .info = snd_soc_info_enum_double, \
@@ -260,6 +266,10 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol);
 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,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 311467b95afb..d2af872e4771 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1808,6 +1808,54 @@ out:
 EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
 
 /**
+ * snd_soc_dapm_get_enum_virt - Get virtual DAPM mux
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.enumerated.item[0] = widget->value;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
+
+/**
+ * snd_soc_dapm_put_enum_virt - Set virtual DAPM mux
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+        struct soc_enum *e =
+                (struct soc_enum *)kcontrol->private_value;
+        int change;
+        int ret = 0;
+
+        if (ucontrol->value.enumerated.item[0] >= e->max)
+                return -EINVAL;
+
+        mutex_lock(&widget->codec->mutex);
+
+        change = widget->value != ucontrol->value.enumerated.item[0];
+        widget->value = ucontrol->value.enumerated.item[0];
+        dapm_mux_update_power(widget, kcontrol, change, widget->value, e);
+
+        mutex_unlock(&widget->codec->mutex);
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
+
+/**
  * snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get
  *                                      callback
  * @kcontrol: mixer control