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Commit a2ebd586 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
Browse files

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: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 1a695a90

sound/soc/codecs/ak4642.c

+11 −2
Original line number Diff line number Diff line
@@ -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,