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ASoC: codecs: add suspend and resume for ES8316 

The registers may be lost after suspend due to powerdown.
regcache_sync solves this issue.

Signed-off-by: Zhu Ning <zhuning@everest-semi.com>
Link: https://lore.kernel.org/r/20220825014952.1038508-1-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Zhu Ning 2022-08-25 09:49:52 +08:00 committed by Mark Brown
parent 906aaf3891
commit 4bac47a7b2
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GPG Key ID: 24D68B725D5487D0
1 changed files with 22 additions and 0 deletions
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22
sound/soc/codecs/es8316.c
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@ -767,9 +767,31 @@ static void es8316_remove(struct snd_soc_component *component)
clk_disable_unprepare(es8316->mclk);
}
static int es8316_resume(struct snd_soc_component *component)
{
struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
regcache_cache_only(es8316->regmap, false);
regcache_sync(es8316->regmap);
return 0;
}
static int es8316_suspend(struct snd_soc_component *component)
{
struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
regcache_cache_only(es8316->regmap, true);
regcache_mark_dirty(es8316->regmap);
return 0;
}
static const struct snd_soc_component_driver soc_component_dev_es8316 = {
.probe = es8316_probe,
.remove = es8316_remove,
.resume = es8316_resume,
.suspend = es8316_suspend,
.set_jack = es8316_set_jack,
.controls = es8316_snd_controls,
.num_controls = ARRAY_SIZE(es8316_snd_controls),