diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index 7a782f5..c95f297 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -101,6 +101,7 @@
     status_t            writeString16(const char16_t* str, size_t len);
     status_t            writeStrongBinder(const sp<IBinder>& val);
     status_t            writeWeakBinder(const wp<IBinder>& val);
+    status_t            writeInt32Array(size_t len, const int32_t *val);
 
     template<typename T>
     status_t            write(const Flattenable<T>& val);
diff --git a/include/powermanager/IPowerManager.h b/include/powermanager/IPowerManager.h
index 2f4c3c4..d85003f 100644
--- a/include/powermanager/IPowerManager.h
+++ b/include/powermanager/IPowerManager.h
@@ -35,6 +35,7 @@
     virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag,
             const String16& packageName, int uid) = 0;
     virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) = 0;
+    virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids) = 0;
 };
 
 // ----------------------------------------------------------------------------