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ASoC: codecs: max98090: Propagate runtime regcache_sync() errors

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max98090_runtime_suspend() puts the regmap into cache-only mode. Runtime
resume clears cache-only mode, resets the device, and replays cached
register state with regcache_sync(), but currently ignores a failed
replay.

Return the sync error and restore cache-only/dirty state before failing
runtime resume. This deliberately leaves the separate system-resume sync
call unchanged because the source does not provide an equally strong
paired system suspend/cache-only proof for that path.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260704040747.56587-1-pengpeng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pengpeng Hou 2026-07-04 12:07:47 +08:00 committed by Mark Brown
parent d20de7409d
commit 181bce7342
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1 changed files with 7 additions and 1 deletions
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8
sound/soc/codecs/max98090.c
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@ -2646,12 +2646,18 @@ static void max98090_i2c_remove(struct i2c_client *client)
static int max98090_runtime_resume(struct device *dev)
{
struct max98090_priv *max98090 = dev_get_drvdata(dev);
int ret;
regcache_cache_only(max98090->regmap, false);
max98090_reset(max98090);
regcache_sync(max98090->regmap);
ret = regcache_sync(max98090->regmap);
if (ret < 0) {
regcache_cache_only(max98090->regmap, true);
regcache_mark_dirty(max98090->regmap);
return ret;
}
return 0;
}