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Unverified Commit 812ad463 authored by Daniel Baluta's avatar Daniel Baluta Committed by Mark Brown
Browse files

ASoC: fsl_sai: Add support for runtime pm 



Basically the same actions as for system PM, so make use
of pm_runtime_force_suspend/pm_runtime_force_resume.

Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: default avatarDaniel Baluta <daniel.baluta@nxp.com>
Acked-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ddb35114

sound/soc/fsl/fsl_sai.c

+17 −5
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/dmaengine.h>

#include <linux/module.h>

#include <linux/of_address.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <linux/slab.h>

#include <linux/time.h>
@@ -901,6 +902,8 @@ static int fsl_sai_probe(struct platform_device *pdev) 


	platform_set_drvdata(pdev, sai);



	pm_runtime_enable(&pdev->dev);



	ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component,

			&fsl_sai_dai, 1);

	if (ret)
@@ -912,6 +915,11 @@ static int fsl_sai_probe(struct platform_device *pdev) 
		return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);

}



static int fsl_sai_remove(struct platform_device *pdev)

{

	pm_runtime_disable(&pdev->dev);

}



static const struct of_device_id fsl_sai_ids[] = {

	{ .compatible = "fsl,vf610-sai", },

	{ .compatible = "fsl,imx6sx-sai", },
@@ -920,8 +928,8 @@ static const struct of_device_id fsl_sai_ids[] = { 
};

MODULE_DEVICE_TABLE(of, fsl_sai_ids);



#ifdef CONFIG_PM_SLEEP

static int fsl_sai_suspend(struct device *dev)

#ifdef CONFIG_PM

static int fsl_sai_runtime_suspend(struct device *dev)

{

	struct fsl_sai *sai = dev_get_drvdata(dev);
@@ -931,7 +939,7 @@ static int fsl_sai_suspend(struct device *dev) 
	return 0;

}



static int fsl_sai_resume(struct device *dev)

static int fsl_sai_runtime_resume(struct device *dev)

{

	struct fsl_sai *sai = dev_get_drvdata(dev);
@@ -943,14 +951,18 @@ static int fsl_sai_resume(struct device *dev) 
	regmap_write(sai->regmap, FSL_SAI_RCSR, 0);

	return regcache_sync(sai->regmap);

}

#endif /* CONFIG_PM_SLEEP */

#endif /* CONFIG_PM */



static const struct dev_pm_ops fsl_sai_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(fsl_sai_suspend, fsl_sai_resume)

	SET_RUNTIME_PM_OPS(fsl_sai_runtime_suspend,

			   fsl_sai_runtime_resume, NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

};



static struct platform_driver fsl_sai_driver = {

	.probe = fsl_sai_probe,

	.remove = fsl_sai_remove,

	.driver = {

		.name = "fsl-sai",

		.pm = &fsl_sai_pm_ops,