1 files changed, 32 insertions, 2 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index bc2ec06943c0..60c8dec49480 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1295,6 +1295,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
 
 	list_for_each_entry_safe(w, next_w, &dapm->widgets, list) {
 		list_del(&w->list);
+		kfree(w->name);
 		kfree(w);
 	}
 
@@ -1346,11 +1347,25 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 {
 	struct snd_soc_dapm_path *path;
 	struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
-	const char *sink = route->sink;
+	const char *sink;
 	const char *control = route->control;
-	const char *source = route->source;
+	const char *source;
+	char prefixed_sink[80];
+	char prefixed_source[80];
 	int ret = 0;
 
+	if (dapm->codec->name_prefix) {
+		snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
+			 dapm->codec->name_prefix, route->sink);
+		sink = prefixed_sink;
+		snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
+			 dapm->codec->name_prefix, route->source);
+		source = prefixed_source;
+	} else {
+		sink = route->sink;
+		source = route->source;
+	}
+
 	/* find src and dest widgets */
 	list_for_each_entry(w, &dapm->widgets, list) {
 
@@ -1978,10 +1993,25 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 	const struct snd_soc_dapm_widget *widget)
 {
 	struct snd_soc_dapm_widget *w;
+	size_t name_len;
 
 	if ((w = dapm_cnew_widget(widget)) == NULL)
 		return -ENOMEM;
 
+	name_len = strlen(widget->name) + 1;
+	if (dapm->codec->name_prefix)
+		name_len += 1 + strlen(dapm->codec->name_prefix);
+	w->name = kmalloc(name_len, GFP_KERNEL);
+	if (w->name == NULL) {
+		kfree(w);
+		return -ENOMEM;
+	}
+	if (dapm->codec->name_prefix)
+		snprintf(w->name, name_len, "%s %s",
+			dapm->codec->name_prefix, widget->name);
+	else
+		snprintf(w->name, name_len, "%s", widget->name);
+
 	w->dapm = dapm;
 	w->codec = dapm->codec;
 	INIT_LIST_HEAD(&w->sources);