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;
 }