diff --git a/include/powermanager/IPowerManager.h b/include/powermanager/IPowerManager.h
index 1723f04..e21e6a8 100644
--- a/include/powermanager/IPowerManager.h
+++ b/include/powermanager/IPowerManager.h
@@ -30,7 +30,8 @@
 public:
     DECLARE_META_INTERFACE(PowerManager);
 
-    virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag) = 0;
+    virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag,
+            const String16& packageName) = 0;
     virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) = 0;
 };
 
diff --git a/services/powermanager/IPowerManager.cpp b/services/powermanager/IPowerManager.cpp
index 0265df3..3f5b81e 100644
--- a/services/powermanager/IPowerManager.cpp
+++ b/services/powermanager/IPowerManager.cpp
@@ -41,7 +41,8 @@
     {
     }
 
-    virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag)
+    virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag,
+            const String16& packageName)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
@@ -49,6 +50,7 @@
         data.writeStrongBinder(lock);
         data.writeInt32(flags);
         data.writeString16(tag);
+        data.writeString16(packageName);
         data.writeInt32(0); // no WorkSource
         return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply);
     }