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ASoC: max98927: Added PM suspend and resume function 

Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ryan Lee 2017-08-28 16:30:59 -07:00 committed by Mark Brown
parent 848844b87a
commit f81991ddd0
1 changed files with 26 additions and 1 deletions
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27
sound/soc/codecs/max98927.c
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@ -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,