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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-08 16:45:03 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-23 12:08:32 +0000
commitc5cf4dbc7f804bb4ff02a065b927bd8688204253 (patch)
tree436873b4d92a5aa0722ec0b988abe19fef3b0179
parent8270ba0c96702864cb0451079384e5060537d345 (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.c6
-rw-r--r--sound/soc/samsung/pcm.c5
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);