ASoC: atmel-classd: sync regcache when resuming

The PM functions used in this driver are the ones defined in sounc/soc/soc-core.c. When suspending (using snd_soc_suspend), the regcache is marked dirty but is never synced on resume. Sync regcache on resume of Atmel ClassD device. Signed-off-by: Quentin Schulz <[email protected]> Acked-by: Alexandre Belloni <[email protected]> Acked-by: Nicolas Ferre <[email protected]> Signed-off-by: Mark Brown <[email protected]>
modi0012 · May 17, 2017 · 61abce1 · 61abce1
1 parent 2ea659a
commit 61abce1
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
@@ -301,13 +301,22 @@ static int atmel_classd_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
+static int atmel_classd_codec_resume(struct snd_soc_codec *codec)
+{
+	struct snd_soc_card *card = snd_soc_codec_get_drvdata(codec);
+	struct atmel_classd *dd = snd_soc_card_get_drvdata(card);
+
+	return regcache_sync(dd->regmap);
+}
+
 static struct regmap *atmel_classd_codec_get_remap(struct device *dev)
 {
 	return dev_get_regmap(dev, NULL);
 }
 
 static struct snd_soc_codec_driver soc_codec_dev_classd = {
 	.probe		= atmel_classd_codec_probe,
+	.resume		= atmel_classd_codec_resume,
 	.get_regmap	= atmel_classd_codec_get_remap,
 	.component_driver = {
 		.controls		= atmel_classd_snd_controls,