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ASoC: ak4613: Implement suspend callback

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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.

Based on commit a2ebd58627 ("ASoC: ak4642: Implement suspend
callback") by Peter Ujfalusi <[email protected]>.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Geert Uytterhoeven 2016-06-16 14:34:31 +02:00 • committed by Mark Brown
commit f9ae17ba97
1 changed files with 11 additions and 1 deletions
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12
sound/soc/codecs/ak4613.c
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@ -437,15 +437,25 @@ static struct snd_soc_dai_driver ak4613_dai = {
.symmetric_rates = 1,
};
static int ak4613_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 ak4613_resume(struct snd_soc_codec *codec)
{
struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
regcache_mark_dirty(regmap);
regcache_cache_only(regmap, false);
return regcache_sync(regmap);
}
static struct snd_soc_codec_driver soc_codec_dev_ak4613 = {
.suspend = ak4613_suspend,
.resume = ak4613_resume,
.set_bias_level = ak4613_set_bias_level,
.controls = ak4613_snd_controls,