ASoC: Fix DAPM sync for TLV320AIC3x custom DAPM widget

We really should be doing this in the core, not in a driver...
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com>

include/sound/soc-dapm.h

@@ -381,6 +381,9 @@ int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
 int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
 				const char *pin);
 
+/* Mostly internal - should not normally be used */
+void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason);
+
 /* dapm widget types */
 enum snd_soc_dapm_type {
 	snd_soc_dapm_input = 0,		/* input pin */

sound/soc/codecs/tlv320aic3x.c

@@ -197,6 +197,10 @@ static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol,
 			else
 				/* old connection must be powered down */
 				path->connect = invert ? 1 : 0;
+
+			dapm_mark_dirty(path->source, "tlv320aic3x source");
+			dapm_mark_dirty(path->sink, "tlv320aic3x sink");
+
 			break;
 		}
 

sound/soc/soc-dapm.c

@@ -124,7 +124,7 @@ static bool dapm_dirty_widget(struct snd_soc_dapm_widget *w)
 	return !list_empty(&w->dirty);
 }
 
-static void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
+void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
 {
 	if (!dapm_dirty_widget(w)) {
 		dev_vdbg(w->dapm->dev, "Marking %s dirty due to %s\n",
@@ -132,6 +132,7 @@ static void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason)
 		list_add_tail(&w->dirty, &w->dapm->card->dapm_dirty);
 	}
 }
+EXPORT_SYMBOL_GPL(dapm_mark_dirty);
 
 /* create a new dapm widget */
 static inline struct snd_soc_dapm_widget *dapm_cnew_widget(