[PATCH 13/20] ASoC: wm8804: Propagate cache replay errors from runtime resume

[Pengpeng Hou]

wm8804_runtime_resume() enables supplies and ignores regcache_sync(),
then powers up OSCCLK and reports runtime-PM success.

Return the cache error and disable the supplies acquired by resume
before OSCCLK is enabled.

The issue was identified via static analysis and manually reviewed.

Fixes: 1a60667fc81f ("ASoC: wm8804: Enable runtime PM")

Assisted-by: LLM
Signed-off-by: Pengpeng Hou <pengpeng@xxxxxxxxxxx>
---
 sound/soc/codecs/wm8804.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c
index 94aa3c8de0ab..0935e2e3c2d4 100644
--- a/sound/soc/codecs/wm8804.c
+++ b/sound/soc/codecs/wm8804.c
@@ -692,7 +692,11 @@ static int wm8804_runtime_resume(struct device *dev)
 		return ret;
 	}
 
-	regcache_sync(wm8804->regmap);
+	ret = regcache_sync(wm8804->regmap);
+	if (ret) {
+		regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies), wm8804->supplies);
+		return ret;
+	}
 
 	/* Power up OSCCLK */
 	regmap_update_bits(wm8804->regmap, WM8804_PWRDN, 0x8, 0x0);
-- 
2.43.0