ASoC: dapm: Make snd_soc_dapm_add/del_routes use runtime mutex subclass

Make snd_soc_dapm_add_routes and snd_soc_dapm_del_routes use the
SND_SOC_DAPM_CLASS_RUNTIME dapm subclass to allow dynamic dapm route
updates.
Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-dapm.c

@@ -2884,7 +2884,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
 {
 	int i, r, ret = 0;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 	for (i = 0; i < num; i++) {
 		r = snd_soc_dapm_add_route(dapm, route);
 		if (r < 0) {
@@ -2915,7 +2915,7 @@ int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
 {
 	int i;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 	for (i = 0; i < num; i++) {
 		snd_soc_dapm_del_route(dapm, route);
 		route++;