ASoC: stm: Fix PM disable depth imbalance in stm32_i2s_probe

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 stm32_i2s_probe.

Fixes:32a956a1fadf ("ASoC: stm32: i2s: add pm_runtime support")

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20220927142640.64647-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 6aafe79..ce7f694 100644 (file)
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -1136,8 +1136,6 @@ static int stm32_i2s_probe(struct platform_device *pdev)
                return dev_err_probe(&pdev->dev, PTR_ERR(i2s->regmap),
                                     "Regmap init error\n");
 
-       pm_runtime_enable(&pdev->dev);
-
        ret = snd_dmaengine_pcm_register(&pdev->dev, &stm32_i2s_pcm_config, 0);
        if (ret)
                return dev_err_probe(&pdev->dev, ret, "PCM DMA register error\n");
@@ -1180,6 +1178,8 @@ static int stm32_i2s_probe(struct platform_device *pdev)
                        FIELD_GET(I2S_VERR_MIN_MASK, val));
        }
 
+       pm_runtime_enable(&pdev->dev);
+
        return ret;
 
 error: