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Commit f81991dd authored by Ryan Lee's avatar Ryan Lee Committed by Mark Brown
Browse files

ASoC: max98927: Added PM suspend and resume function 



Signed-off-by: default avatarRyan Lee <ryans.lee@maximintegrated.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 848844b8

sound/soc/codecs/max98927.c

+26 −1
Original line number Diff line number Diff line
@@ -701,6 +701,31 @@ static int max98927_probe(struct snd_soc_codec *codec) 
	return 0;

}



#ifdef CONFIG_PM_SLEEP

static int max98927_suspend(struct device *dev)

{

	struct max98927_priv *max98927 = dev_get_drvdata(dev);



	regcache_cache_only(max98927->regmap, true);

	regcache_mark_dirty(max98927->regmap);

	return 0;

}

static int max98927_resume(struct device *dev)

{

	struct max98927_priv *max98927 = dev_get_drvdata(dev);



	regmap_write(max98927->regmap,

		MAX98927_R0100_SOFT_RESET, MAX98927_SOFT_RESET);

	regcache_cache_only(max98927->regmap, false);

	regcache_sync(max98927->regmap);

	return 0;

}

#endif



static const struct dev_pm_ops max98927_pm = {

	SET_SYSTEM_SLEEP_PM_OPS(max98927_suspend, max98927_resume)

};



static const struct snd_soc_codec_driver soc_codec_dev_max98927 = {

	.probe = max98927_probe,

	.component_driver = {
@@ -834,7 +859,7 @@ static struct i2c_driver max98927_i2c_driver = { 
		.name = "max98927",

		.of_match_table = of_match_ptr(max98927_of_match),

		.acpi_match_table = ACPI_PTR(max98927_acpi_match),

		.pm = NULL,

		.pm = &max98927_pm,

	},

	.probe  = max98927_i2c_probe,

	.remove = max98927_i2c_remove,