From: Bard Liao <bardliao@realtek.com> Date: Mon, 15 Dec 2014 07:42:33 +0000 (+0800) Subject: ASoC: rt5670: Add runtime PM support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f2ecf2ef59b57bd495c40d8a3e9d03e80f66afa4;p=linux.git 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> --- diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c index cd47ef1f5561d..78d85de8af6fc 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;