[PATCH] ASoC: atmel-classd: sync regcache when resuming

From	Quentin Schulz <quentin.schulz@free-electrons.com>
Newsgroups	linux.kernel
Subject	[PATCH] ASoC: atmel-classd: sync regcache when resuming
Date	2017-05-15 10:40 +0200
Message-ID	<tHjHP-5H0-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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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 <quentin.schulz@free-electrons.com>
---
 sound/soc/atmel/atmel-classd.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index 7ae46c2647d4..b7ef8c59b49a 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -301,6 +301,14 @@ 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);
@@ -308,6 +316,7 @@ static struct regmap *atmel_classd_codec_get_remap(struct device *dev)
 
 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,
-- 
2.11.0

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[PATCH] ASoC: atmel-classd: sync regcache when resuming Quentin Schulz <quentin.schulz@free-electrons.com> - 2017-05-15 10:40 +0200
  Re: [PATCH] ASoC: atmel-classd: sync regcache when resuming Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-05-15 11:50 +0200
  Re: [PATCH] ASoC: atmel-classd: sync regcache when resuming Nicolas Ferre <nicolas.ferre@microchip.com> - 2017-05-15 15:00 +0200
  Applied "ASoC: atmel-classd: sync regcache when resuming" to the asoc tree Mark Brown <broonie@kernel.org> - 2017-05-17 12:00 +0200

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