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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-05-31 13:34:59 +0300
committerMark Brown <broonie@kernel.org>2016-05-31 14:37:08 +0100
commita2ebd58627e9aa486fccbbdda6338675bdf3e267 (patch)
tree839224cc378467743d2acedea1647173f7bcecef /sound/soc
parent1a695a905c18548062509178b98bc91e67510864 (diff)
ASoC: ak4642: Implement suspend callback
Add the suspend callback to accompany the existing resume operation. With the suspend/resume callbacks the regmap (regcache) state handling can follow the recommended sequence. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/ak4642.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 4d8b9e49e8d6..cc941d66ec3d 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -523,15 +523,23 @@ static struct snd_soc_dai_driver ak4642_dai = {
.symmetric_rates = 1,
};
-static int ak4642_resume(struct snd_soc_codec *codec)
+static int ak4642_suspend(struct snd_soc_codec *codec)
{
struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
+ regcache_cache_only(regmap, true);
regcache_mark_dirty(regmap);
- regcache_sync(regmap);
return 0;
}
+static int ak4642_resume(struct snd_soc_codec *codec)
+{
+ struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
+
+ regcache_cache_only(regmap, false);
+ regcache_sync(regmap);
+ return 0;
+}
static int ak4642_probe(struct snd_soc_codec *codec)
{
struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec);
@@ -544,6 +552,7 @@ static int ak4642_probe(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
.probe = ak4642_probe,
+ .suspend = ak4642_suspend,
.resume = ak4642_resume,
.set_bias_level = ak4642_set_bias_level,
.controls = ak4642_snd_controls,