[PATCH 1/3] ASoC: wm8994: Fix PM disable depth imbalance on error
Zhang Qilong
zhangqilong3 at huawei.com
Wed Nov 11 05:13:24 CET 2020
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 at huawei.com>
---
sound/soc/codecs/wm8994.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index fc9ea198ac79..f57884113406 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)
--
2.25.4
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