---

yaml
---
r: 170128
b: refs/heads/master
c: 215edda
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 341c9b84bc01040bd5c75140303e32f6b10098f3
+refs/heads/master: 215edda3adf502ccdf3a358ab35b616e7abd25ff

trunk/include/sound/soc-dapm.h

@@ -333,6 +333,10 @@ 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 +353,9 @@ 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;

trunk/sound/soc/soc-dapm.c

@@ -718,6 +718,10 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
 
 	/* Check if one of our outputs is connected */
 	list_for_each_entry(path, &w->sinks, list_source) {
+		if (path->connected &&
+		    !path->connected(path->source, path->sink))
+			continue;
+
 		if (path->sink && path->sink->power_check &&
 		    path->sink->power_check(path->sink)) {
 			power = 1;
@@ -1136,13 +1140,19 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 				w->sname);
 
 	list_for_each_entry(p, &w->sources, list_sink) {
+		if (p->connected && !p->connected(w, p->sink))
+			continue;
+
 		if (p->connect)
 			ret += snprintf(buf + ret, PAGE_SIZE - ret,
 					" in  %s %s\n",
 					p->name ? p->name : "static",
 					p->source->name);
 	}
 	list_for_each_entry(p, &w->sinks, list_source) {
+		if (p->connected && !p->connected(w, p->sink))
+			continue;
+
 		if (p->connect)
 			ret += snprintf(buf + ret, PAGE_SIZE - ret,
 					" out %s %s\n",
@@ -1385,10 +1395,13 @@ int snd_soc_dapm_sync(struct snd_soc_codec *codec)
 EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
 
 static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
-	const char *sink, const char *control, const char *source)
+				  const struct snd_soc_dapm_route *route)
 {
 	struct snd_soc_dapm_path *path;
 	struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
+	const char *sink = route->sink;
+	const char *control = route->control;
+	const char *source = route->source;
 	int ret = 0;
 
 	/* find src and dest widgets */
@@ -1412,6 +1425,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
 
 	path->source = wsource;
 	path->sink = wsink;
+	path->connected = route->connected;
 	INIT_LIST_HEAD(&path->list);
 	INIT_LIST_HEAD(&path->list_source);
 	INIT_LIST_HEAD(&path->list_sink);
@@ -1512,8 +1526,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
 	int i, ret;
 
 	for (i = 0; i < num; i++) {
-		ret = snd_soc_dapm_add_route(codec, route->sink,
-					     route->control, route->source);
+		ret = snd_soc_dapm_add_route(codec, route);
 		if (ret < 0) {
 			printk(KERN_ERR "Failed to add route %s->%s\n",
 			       route->source,