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| author | Zhu Ning <zhuning0077@gmail.com> | 2022-08-25 09:49:52 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-08-25 12:29:32 +0100 |
| commit | 4bac47a7b2f9f0c84411cb06944bab8f85c08757 (patch) | |
| tree | 4030dcf356d2d2d3563eb3bd13f2925499b8a8e7 | |
| parent | 906aaf38911a9d172798c781553bff838802f198 (diff) | |
| download | linux-4bac47a7b2f9f0c84411cb06944bab8f85c08757.tar.bz2 | |
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>
| -rw-r--r-- | sound/soc/codecs/es8316.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c index de7185f73e1e..8643014472ae 100644 --- a/sound/soc/codecs/es8316.c +++ b/sound/soc/codecs/es8316.c @@ -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), |