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ASoC: amd: add acp3x runtime pm ops 

Added runtime PM operations for ACP3x PCM platform device.

Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Tested-by: Ravulapati Vishnu vardhan Rao <Vishnuvardhanrao.Ravulapati@amd.com>
Signed-off-by: Vijendar Mukunda <vijendar.mukunda@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2018-11-12 11:05:00 +05:30 committed by Mark Brown
parent 67aa06aef5
commit 56e4dd8f68
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GPG Key ID: 24D68B725D5487D0
1 changed files with 39 additions and 0 deletions
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39
sound/soc/amd/raven/acp3x-pcm-dma.c
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@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@ -660,6 +661,9 @@ static int acp3x_audio_probe(struct platform_device *pdev)
goto dev_err;
}
pm_runtime_set_autosuspend_delay(&pdev->dev, 10000);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
dev_err:
status = acp3x_deinit(adata->acp3x_base);
@ -682,14 +686,49 @@ static int acp3x_audio_remove(struct platform_device *pdev)
else
dev_info(&pdev->dev, "ACP de-initialized\n");
pm_runtime_disable(&pdev->dev);
return 0;
}
static int acp3x_pcm_runtime_suspend(struct device *dev)
{
int status;
struct i2s_dev_data *adata = dev_get_drvdata(dev);
status = acp3x_deinit(adata->acp3x_base);
if (status)
dev_err(dev, "ACP de-init failed\n");
else
dev_info(dev, "ACP de-initialized\n");
rv_writel(0, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
return 0;
}
static int acp3x_pcm_runtime_resume(struct device *dev)
{
int status;
struct i2s_dev_data *adata = dev_get_drvdata(dev);
status = acp3x_init(adata->acp3x_base);
if (status)
return -ENODEV;
rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
return 0;
}
static const struct dev_pm_ops acp3x_pm_ops = {
.runtime_suspend = acp3x_pcm_runtime_suspend,
.runtime_resume = acp3x_pcm_runtime_resume,
};
static struct platform_driver acp3x_dma_driver = {
.probe = acp3x_audio_probe,
.remove = acp3x_audio_remove,
.driver = {
.name = "acp3x_rv_i2s",
.pm = &acp3x_pm_ops,
},
};