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ASoC: Add trivial pm_runtime usage to Samsung DAI drivers 

Currently this won't actually do anything but using this will help the
core SoC code track when the system is idle.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-12-08 16:45:03 +08:00
parent 8270ba0c96
commit c5cf4dbc7f
2 changed files with 10 additions and 1 deletions
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6
sound/soc/samsung/i2s.c
View File

@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
@ -1095,6 +1096,8 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev)
snd_soc_register_dai(&pri_dai->pdev->dev, &pri_dai->i2s_dai_drv);
pm_runtime_enable(&pdev->dev);
return 0;
err:
release_mem_region(regs_base, resource_size(res));
@ -1105,6 +1108,7 @@ err:
static __devexit int samsung_i2s_remove(struct platform_device *pdev)
{
struct i2s_dai *i2s, *other;
struct resource *res;
i2s = dev_get_drvdata(&pdev->dev);
other = i2s->pri_dai ? : i2s->sec_dai;
@ -1113,7 +1117,7 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev)
other->pri_dai = NULL;
other->sec_dai = NULL;
} else {
struct resource *res;
pm_runtime_disable(&pdev->dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
release_mem_region(res->start, resource_size(res));

5
sound/soc/samsung/pcm.c
View File

@ -14,6 +14,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
@ -580,6 +581,8 @@ static __devinit int s3c_pcm_dev_probe(struct platform_device *pdev)
pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];
pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];
pm_runtime_enable(&pdev->dev);
ret = snd_soc_register_dai(&pdev->dev, &s3c_pcm_dai[pdev->id]);
if (ret != 0) {
dev_err(&pdev->dev, "failed to get register DAI: %d\n", ret);
@ -609,6 +612,8 @@ static __devexit int s3c_pcm_dev_remove(struct platform_device *pdev)
snd_soc_unregister_dai(&pdev->dev);
pm_runtime_disable(&pdev->dev);
iounmap(pcm->regs);
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);