diff --git a/sound/soc/fsl/fsl_audmix.c b/sound/soc/fsl/fsl_audmix.c index f819f33ec46b..2885cc10b02d 100644 --- a/sound/soc/fsl/fsl_audmix.c +++ b/sound/soc/fsl/fsl_audmix.c @@ -457,6 +457,9 @@ static const struct of_device_id fsl_audmix_ids[] = { }; MODULE_DEVICE_TABLE(of, fsl_audmix_ids); +static int fsl_audmix_runtime_resume(struct device *dev); +static int fsl_audmix_runtime_suspend(struct device *dev); + static int fsl_audmix_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -488,13 +491,25 @@ static int fsl_audmix_probe(struct platform_device *pdev) spin_lock_init(&priv->lock); platform_set_drvdata(pdev, priv); pm_runtime_enable(dev); + if (!pm_runtime_enabled(dev)) { + ret = fsl_audmix_runtime_resume(dev); + if (ret) + goto err_disable_pm; + } + + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) + goto err_pm_get_sync; + + /* To enable regmap cache only when runtime PM enabled */ + pm_runtime_put(dev); ret = devm_snd_soc_register_component(dev, &fsl_audmix_component, fsl_audmix_dai, ARRAY_SIZE(fsl_audmix_dai)); if (ret) { dev_err(dev, "failed to register ASoC DAI\n"); - goto err_disable_pm; + goto err_pm_get_sync; } /* @@ -506,12 +521,15 @@ static int fsl_audmix_probe(struct platform_device *pdev) if (IS_ERR(priv->pdev)) { ret = PTR_ERR(priv->pdev); dev_err(dev, "failed to register platform: %d\n", ret); - goto err_disable_pm; + goto err_pm_get_sync; } } return 0; +err_pm_get_sync: + if (!pm_runtime_status_suspended(dev)) + fsl_audmix_runtime_suspend(dev); err_disable_pm: pm_runtime_disable(dev); return ret; @@ -522,6 +540,8 @@ static void fsl_audmix_remove(struct platform_device *pdev) struct fsl_audmix *priv = dev_get_drvdata(&pdev->dev); pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + fsl_audmix_runtime_suspend(&pdev->dev); if (priv->pdev) platform_device_unregister(priv->pdev);