Use correct type for hardware call state

Change-Id: Ic6d98b129e3ec653df1d8f7e829adf8dccb4f378
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 8255823..7939802 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -295,7 +295,7 @@
     const size_t SIZE = 256;
     char buffer[SIZE];
     String8 result;
-    int hardwareStatus = mHardwareStatus;
+    hardware_call_state hardwareStatus = mHardwareStatus;
 
     snprintf(buffer, SIZE, "Hardware status: %d\n", hardwareStatus);
     result.append(buffer);
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 7baa8fc..c1efb37 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -1383,7 +1383,7 @@
                 mutable     Mutex                   mHardwareLock;
                 audio_hw_device_t*                  mPrimaryHardwareDev;
                 Vector<audio_hw_device_t*>          mAudioHwDevs;
-    mutable     int                                 mHardwareStatus;
+    mutable     hardware_call_state                 mHardwareStatus;    // for dump only
 
 
                 DefaultKeyedVector< int, sp<PlaybackThread> >  mPlaybackThreads;