--- a/usbengines/usbotgwatcher/inc/cusbotgstateobserver.h	Tue Feb 02 00:52:37 2010 +0200
+++ b/usbengines/usbotgwatcher/inc/cusbotgstateobserver.h	Fri Feb 19 23:50:33 2010 +0200
@@ -101,13 +101,13 @@
      * Subscribes for getting notifications
      * @param aObserver Observer
      */
-    void SubscribeL(MUsbOtgStateObserver* aObserver);
+    void SubscribeL(MUsbOtgStateObserver& aObserver);
 
     /**
      * Unsubscribes from getting notifications
      * @param aObserver Observer
      */
-    void UnsubscribeL(MUsbOtgStateObserver* aObserver);
+    void UnsubscribeL(MUsbOtgStateObserver& aObserver);
 
 private: