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>
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 4d8b9e4..cc941d6 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -523,15 +523,23 @@
.symmetric_rates = 1,
};
+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);
+ return 0;
+}
+
static int ak4642_resume(struct snd_soc_codec *codec)
{
struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
- regcache_mark_dirty(regmap);
+ 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 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,