diff options
| author | Daniel Baluta <daniel.baluta@nxp.com> | 2019-04-21 19:39:09 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-04-25 19:51:23 +0100 |
| commit | 812ad463e0894d78e93ab8017e0edbe69038c55c (patch) | |
| tree | 71a78e6f6eca6c7413b26204a4567c1066a0b463 /sound/soc/fsl | |
| parent | ddb351145a967ee791a0fb0156852ec2fcb746ba (diff) | |
| download | lwn-812ad463e0894d78e93ab8017e0edbe69038c55c.tar.gz lwn-812ad463e0894d78e93ab8017e0edbe69038c55c.zip | |
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: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl')
| -rw-r--r-- | sound/soc/fsl/fsl_sai.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 7549b74e464e..26c27dc0781f 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -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, |