[PATCH -next 4/4] ASoC: mt6660: Fix PM disable depth imbalance in mt6660_i2c_probe
Zhang Qilong
zhangqilong3 at huawei.com
Wed Sep 28 09:01:16 PDT 2022
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. We fix it by moving
pm_runtime_enable to the endding of mt6660_i2c_probe.
Fixes:f289e55c6eeb4 ("ASoC: Add MediaTek MT6660 Speaker Amp Driver")
Signed-off-by: Zhang Qilong <zhangqilong3 at huawei.com>
---
sound/soc/codecs/mt6660.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/mt6660.c b/sound/soc/codecs/mt6660.c
index 4971cd0b90f8..554c33e8b62f 100644
--- a/sound/soc/codecs/mt6660.c
+++ b/sound/soc/codecs/mt6660.c
@@ -503,13 +503,17 @@ static int mt6660_i2c_probe(struct i2c_client *client)
dev_err(chip->dev, "read chip revision fail\n");
goto probe_fail;
}
- pm_runtime_set_active(chip->dev);
- pm_runtime_enable(chip->dev);
ret = devm_snd_soc_register_component(chip->dev,
&mt6660_component_driver,
&mt6660_codec_dai, 1);
+ if (!ret) {
+ pm_runtime_set_active(chip->dev);
+ pm_runtime_enable(chip->dev);
+ }
+
return ret;
+
probe_fail:
_mt6660_chip_power_on(chip, 0);
mutex_destroy(&chip->io_lock);
--
2.25.1
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