diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/soc-pcm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 49aa71e0d7e6..8aa7cec6eab2 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <sound/core.h> @@ -77,6 +78,10 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver; int ret = 0; + pm_runtime_get_sync(cpu_dai->dev); + pm_runtime_get_sync(codec_dai->dev); + pm_runtime_get_sync(platform->dev); + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); /* startup the audio subsystem */ @@ -233,6 +238,11 @@ platform_err: cpu_dai->driver->ops->shutdown(substream, cpu_dai); out: mutex_unlock(&rtd->pcm_mutex); + + pm_runtime_put(platform->dev); + pm_runtime_put(codec_dai->dev); + pm_runtime_put(cpu_dai->dev); + return ret; } @@ -339,6 +349,11 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) } mutex_unlock(&rtd->pcm_mutex); + + pm_runtime_put(platform->dev); + pm_runtime_put(codec_dai->dev); + pm_runtime_put(cpu_dai->dev); + return 0; } |