1 files changed, 36 insertions, 32 deletions

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 733d7e8a0e55..2b915f41e955 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -295,6 +295,7 @@ void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream)
 {
 	snd_soc_runtime_action(rtd, stream, 1);
 }
+EXPORT_SYMBOL_GPL(snd_soc_runtime_activate);
 
 /**
  * snd_soc_runtime_deactivate() - Decrement active count for PCM runtime components
@@ -310,6 +311,7 @@ void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream)
 {
 	snd_soc_runtime_action(rtd, stream, -1);
 }
+EXPORT_SYMBOL_GPL(snd_soc_runtime_deactivate);
 
 /**
  * snd_soc_runtime_ignore_pmdown_time() - Check whether to ignore the power down delay
@@ -1626,45 +1628,46 @@ void dpcm_path_put(struct snd_soc_dapm_widget_list **list)
 	snd_soc_dapm_dai_free_widgets(list);
 }
 
-static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
-	struct snd_soc_dapm_widget_list **list_)
+static bool dpcm_be_is_active(struct snd_soc_dpcm *dpcm, int stream,
+			      struct snd_soc_dapm_widget_list *list)
 {
-	struct snd_soc_dpcm *dpcm;
-	struct snd_soc_dapm_widget_list *list = *list_;
 	struct snd_soc_dapm_widget *widget;
 	struct snd_soc_dai *dai;
-	int prune = 0;
-	int do_prune;
+	unsigned int i;
 
-	/* Destroy any old FE <--> BE connections */
-	for_each_dpcm_be(fe, stream, dpcm) {
-		unsigned int i;
+	/* is there a valid CPU DAI widget for this BE */
+	for_each_rtd_cpu_dais(dpcm->be, i, dai) {
+		widget = snd_soc_dai_get_widget(dai, stream);
 
-		/* is there a valid CPU DAI widget for this BE */
-		do_prune = 1;
-		for_each_rtd_cpu_dais(dpcm->be, i, dai) {
-			widget = snd_soc_dai_get_widget(dai, stream);
+		/*
+		 * The BE is pruned only if none of the cpu_dai
+		 * widgets are in the active list.
+		 */
+		if (widget && widget_in_list(list, widget))
+			return true;
+	}
 
-			/*
-			 * The BE is pruned only if none of the cpu_dai
-			 * widgets are in the active list.
-			 */
-			if (widget && widget_in_list(list, widget))
-				do_prune = 0;
-		}
-		if (!do_prune)
-			continue;
+	/* is there a valid CODEC DAI widget for this BE */
+	for_each_rtd_codec_dais(dpcm->be, i, dai) {
+		widget = snd_soc_dai_get_widget(dai, stream);
 
-		/* is there a valid CODEC DAI widget for this BE */
-		do_prune = 1;
-		for_each_rtd_codec_dais(dpcm->be, i, dai) {
-			widget = snd_soc_dai_get_widget(dai, stream);
+		/* prune the BE if it's no longer in our active list */
+		if (widget && widget_in_list(list, widget))
+			return true;
+	}
 
-			/* prune the BE if it's no longer in our active list */
-			if (widget && widget_in_list(list, widget))
-				do_prune = 0;
-		}
-		if (!do_prune)
+	return false;
+}
+
+static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
+			    struct snd_soc_dapm_widget_list **list_)
+{
+	struct snd_soc_dpcm *dpcm;
+	int prune = 0;
+
+	/* Destroy any old FE <--> BE connections */
+	for_each_dpcm_be(fe, stream, dpcm) {
+		if (dpcm_be_is_active(dpcm, stream, *list_))
 			continue;
 
 		dev_dbg(fe->dev, "ASoC: pruning %s BE %s for %s\n",
@@ -2968,7 +2971,7 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
 /* Called by DAPM mixer/mux changes to update audio routing between PCMs and
  * any DAI links.
  */
-int soc_dpcm_runtime_update(struct snd_soc_card *card)
+int snd_soc_dpcm_runtime_update(struct snd_soc_card *card)
 {
 	struct snd_soc_pcm_runtime *fe;
 	int ret = 0;
@@ -2992,6 +2995,7 @@ out:
 	mutex_unlock(&card->mutex);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(snd_soc_dpcm_runtime_update);
 
 static void dpcm_fe_dai_cleanup(struct snd_pcm_substream *fe_substream)
 {