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 --- * Remove the unused runtime suspend/resume code. We will switch the sysclk source on another patch. --- sound/soc/codecs/rt5670.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c index 09cf100..a8a471b 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;