1 files changed, 17 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index c1410e3191e3..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,
@@ -333,6 +343,10 @@ struct snd_soc_dapm_route {
         const char *sink;
         const char *control;
         const char *source;
+
+        /* Note: currently only supported for links where source is a supply */
+        int (*connected)(struct snd_soc_dapm_widget *source,
+                         struct snd_soc_dapm_widget *sink);
 };
 
 /* dapm audio path between two widgets */
@@ -349,6 +363,9 @@ struct snd_soc_dapm_path {
         u32 connect:1;  /* source and sink widgets are connected */
         u32 walked:1;   /* path has been walked */
 
+        int (*connected)(struct snd_soc_dapm_widget *source,
+                         struct snd_soc_dapm_widget *sink);
+
         struct list_head list_source;
         struct list_head list_sink;
         struct list_head list;