[PATCH v2 3/4] ASoC: wm8994: Fix PM disable depth imbalance on error

[Zhang Qilong]

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>
Reviewed-by: Richard Fitzgerald <rf at opensource.cirrus.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