ENGINES: Remove unused MIDI pass-through code

2 files changed, 4 insertions, 11 deletions

diff --git a/engines/m4/midi.cpp b/engines/m4/midi.cpp
index b5ae3b90ae..f4fe00319c 100644
--- a/engines/m4/midi.cpp
+++ b/engines/m4/midi.cpp
@@ -32,7 +32,7 @@
 
 namespace M4 {
 
-MidiPlayer::MidiPlayer(MadsM4Engine *vm, MidiDriver *driver) : _vm(vm), _midiData(NULL), _driver(driver), _isPlaying(false), _passThrough(false), _isGM(false) {
+MidiPlayer::MidiPlayer(MadsM4Engine *vm, MidiDriver *driver) : _vm(vm), _midiData(NULL), _driver(driver), _isPlaying(false), _isGM(false) {
 	assert(_driver);
 	memset(_channel, 0, sizeof(_channel));
 	_masterVolume = 0;
@@ -79,11 +79,6 @@ void MidiPlayer::setVolume(int volume) {
 }
 
 void MidiPlayer::send(uint32 b) {
-	if (_passThrough) {
-		_driver->send(b);
-		return;
-	}
-
 	byte channel = (byte)(b & 0x0F);
 	if ((b & 0xFFF0) == 0x07B0) {
 		// Adjust volume changes by master volume
diff --git a/engines/m4/midi.h b/engines/m4/midi.h
index 42948e5ff1..cc3f62621d 100644
--- a/engines/m4/midi.h
+++ b/engines/m4/midi.h
@@ -39,16 +39,15 @@ public:
 	MidiPlayer(MadsM4Engine *vm, MidiDriver *driver);
 	~MidiPlayer();
 
-	bool isPlaying() { return _isPlaying; }
+	bool isPlaying() const { return _isPlaying; }
 
 	void setVolume(int volume);
-	int getVolume() { return _masterVolume; }
+	int getVolume() const { return _masterVolume; }
 
 	void setNativeMT32(bool b) { _nativeMT32 = b; }
-	bool hasNativeMT32() { return _nativeMT32; }
+	bool hasNativeMT32()  const{ return _nativeMT32; }
 	void playMusic(const char *name, int32 vol, bool loop, int32 trigger, int32 scene);
 	void stopMusic();
-	void setPassThrough(bool b) { _passThrough = b; }
 
 	void setGM(bool isGM) { _isGM = isGM; }
 
@@ -68,7 +67,6 @@ protected:
 	byte _channelVolume[16];
 	bool _nativeMT32;
 	bool _isGM;
-	bool _passThrough;
 
 	bool _isPlaying;
 	bool _randomLoop;