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authorBard Liao2014-12-15 08:42:33 +0100
committerMark Brown2015-03-02 17:19:46 +0100
commit64e89e5f55484d289c8b326521e5a12291e2283e (patch)
treeea76a19edcc61a3101fc5afddc0c07851f09cc5f /sound
parentASoC: rt5670: set platform data by dmi (diff)
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ASoC: rt5670: Add runtime PM support
This patch adds runtime PM support on rt5670 codec. Signed-off-by: Lin Mengdong <mengdong.lin@intel.com> Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt5670.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index cd47ef1f5561..78d85de8af6f 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
@@ -2734,18 +2735,26 @@ static int rt5670_i2c_probe(struct i2c_client *i2c,
}
+ pm_runtime_enable(&i2c->dev);
+ pm_request_idle(&i2c->dev);
+
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5670,
rt5670_dai, ARRAY_SIZE(rt5670_dai));
if (ret < 0)
goto err;
+ pm_runtime_put(&i2c->dev);
+
return 0;
err:
+ pm_runtime_disable(&i2c->dev);
+
return ret;
}
static int rt5670_i2c_remove(struct i2c_client *i2c)
{
+ pm_runtime_disable(&i2c->dev);
snd_soc_unregister_codec(&i2c->dev);
return 0;