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[5.10,094/717] ASoC: wm8994: Fix PM disable depth imbalance on error

Message ID 20201228125025.480001876@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:41 p.m. UTC 
From: Zhang Qilong <zhangqilong3@huawei.com>

[ Upstream commit b8161cbe55a1892a19a318eaebbda92438fa708c ]

The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context.

Fixes: 57e265c8d71fb ("ASoC: wm8994: Move runtime PM init to platform device init")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20201111041326.1257558-2-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/wm8994.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index fc9ea198ac799..f57884113406b 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -4645,8 +4645,12 @@  static int wm8994_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_idle(&pdev->dev);
 
-	return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8994,
+	ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8994,
 			wm8994_dai, ARRAY_SIZE(wm8994_dai));
+	if (ret < 0)
+		pm_runtime_disable(&pdev->dev);
+
+	return ret;
 }
 
 static int wm8994_remove(struct platform_device *pdev)