Use STEREO when we are playing audio

dmx/amplifierPower.pl

@@ -70,7 +70,7 @@ while (1) {
 	}
 
 	# Calculate the channel mode
-	if ($exists{'STEREO_CMD'} || $state eq 'RAVE') {
+	if ($exists{'STEREO_CMD'} || $exists{'PLAYING_TYPE'} eq 'Audio' || $state eq 'RAVE') {
 		$mode = 'STEREO';
 	} else {
 		$mode = 'SURROUND';