diff --git a/media/libaudiohal/StreamHalLocal.h b/media/libaudiohal/StreamHalLocal.h
index 8c96c1f..c7136df 100644
--- a/media/libaudiohal/StreamHalLocal.h
+++ b/media/libaudiohal/StreamHalLocal.h
@@ -18,6 +18,7 @@
 #define ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
 
 #include <media/audiohal/StreamHalInterface.h>
+#include "StreamPowerLog.h"
 
 namespace android {
 
@@ -83,6 +84,9 @@
 
     sp<DeviceHalLocal> mDevice;
 
+    // mStreamPowerLog is used for audio signal power logging.
+    StreamPowerLog mStreamPowerLog;
+
   private:
     audio_stream_t *mStream;
 };