diff -r 3ec52facab4d -r 8192e5b5c935 mpserviceplugins/localaudio/inc/mpxlocalaudioplayback.h
--- a/mpserviceplugins/localaudio/inc/mpxlocalaudioplayback.h	Fri May 14 15:49:53 2010 +0300
+++ b/mpserviceplugins/localaudio/inc/mpxlocalaudioplayback.h	Thu May 27 12:49:57 2010 +0300
@@ -180,14 +180,16 @@
         /**
         * Sets the volume level in audio controller
         * @param aVolume Volume level, ranges from 0 - KPbPlaybackVolumeLevelMax
+        * @param aNotifyChange ETrue if EPVolumeChanged must be sent to observer
         */
-        void SetVolume( TInt aVolume );
+        void SetVolume( TInt aVolume, TBool aNotifyChange = ETrue );
 
         /**
         * Sets the volume level in audio controller to mute.
         * @param aMute ETrue to indicated mute
+        * @param aNotifyChange ETrue if EPMuteChanged must be sent to observer 
         */
-        void SetMute( TBool aMute );
+        void SetMute( TBool aMute, TBool aNotifyChange = ETrue );
 
         /**
         *  Consumes the rights for the current media according