diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index c3039e97929a..ebb8e7a7fc29 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -429,6 +429,7 @@ struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked(
 		const struct snd_soc_dapm_widget *widget);
 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 				 struct snd_soc_dai *dai);
+void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w);
 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card);
 void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card);
 
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a088bc9f7dd7..ce153ac2c3ab 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2465,6 +2465,7 @@ struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
 	dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
 	return dai;
 }
+EXPORT_SYMBOL_GPL(snd_soc_register_dai);
 
 /**
  * snd_soc_unregister_dais - Unregister DAIs from the ASoC core
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index b06c5682445c..b435b5c4cfb7 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2484,6 +2484,12 @@ static void dapm_free_path(struct snd_soc_dapm_path *path)
 	kfree(path);
 }
 
+/**
+ * snd_soc_dapm_free_widget - Free specified widget
+ * @w: widget to free
+ *
+ * Removes widget from all paths and frees memory occupied by it.
+ */
 void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w)
 {
 	struct snd_soc_dapm_path *p, *next_p;
@@ -2506,6 +2512,7 @@ void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w)
 	kfree_const(w->sname);
 	kfree(w);
 }
+EXPORT_SYMBOL_GPL(snd_soc_dapm_free_widget);
 
 void snd_soc_dapm_reset_cache(struct snd_soc_dapm_context *dapm)
 {
@@ -4208,6 +4215,13 @@ param_fail:
 	return ERR_PTR(ret);
 }
 
+/**
+ * snd_soc_dapm_new_dai_widgets - Create new DAPM widgets
+ * @dapm: DAPM context
+ * @dai: parent DAI
+ *
+ * Returns 0 on success, error code otherwise.
+ */
 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 				 struct snd_soc_dai *dai)
 {
@@ -4253,6 +4267,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_dai_widgets);
 
 int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
 {