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ASoC: codecs: wcd938x-sdw: Propagate regcache_sync() errors

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regcache_sync() can fail while replaying cached register state during
runtime resume. wcd938x_sdw_runtime_resume() currently ignores that
failure.

Propagate the error and restore cache-only/dirty state on failure.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260704035857.90264-1-pengpeng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pengpeng Hou 2026-07-04 11:58:57 +08:00 committed by Mark Brown
parent 0d6b2d6f93
commit 72f1d7d21f
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GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 1 deletions
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8
sound/soc/codecs/wcd938x-sdw.c
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@ -1245,10 +1245,16 @@ static int wcd938x_sdw_runtime_suspend(struct device *dev)
static int wcd938x_sdw_runtime_resume(struct device *dev)
{
struct wcd938x_sdw_priv *wcd = dev_get_drvdata(dev);
int ret;
if (wcd->regmap) {
regcache_cache_only(wcd->regmap, false);
regcache_sync(wcd->regmap);
ret = regcache_sync(wcd->regmap);
if (ret) {
regcache_cache_only(wcd->regmap, true);
regcache_mark_dirty(wcd->regmap);
return ret;
}
}
pm_runtime_mark_last_busy(dev);