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>

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index ff5d919..87a874d 100644 (file)
--- 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 5776add..5678020 100644 (file)
--- 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);