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 --- sound/soc/samsung/i2s.c | 6 +++++- sound/soc/samsung/pcm.c | 5 +++++ 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index ff5d919..87a874d 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -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)); diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index 3a29c26..a1dc141c 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -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> @@ -581,6 +582,8 @@ 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); @@ -610,6 +613,8 @@ 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);