diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-08 16:45:03 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-23 12:08:32 +0000 |
| commit | c5cf4dbc7f804bb4ff02a065b927bd8688204253 (patch) | |
| tree | 436873b4d92a5aa0722ec0b988abe19fef3b0179 | |
| parent | 8270ba0c96702864cb0451079384e5060537d345 (diff) | |
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>
| -rw-r--r-- | sound/soc/samsung/i2s.c | 6 | ||||
| -rw-r--r-- | 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 ff5d9194d11..87a874dc7a3 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 5776addd1f9..56780206c00 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> @@ -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); |