2 files changed, 15 insertions, 1 deletions
diff --git a/engines/sci/sfx/softseq/adlib.cpp b/engines/sci/sfx/softseq/adlib.cpp
index 15e1ed9089..1623520ea5 100644
--- a/engines/sci/sfx/softseq/adlib.cpp
+++ b/engines/sci/sfx/softseq/adlib.cpp
@@ -629,6 +629,19 @@ bool MidiDriver_Adlib::loadResource(const byte *data, uint size) {
 	return true;
 }
 
+int32 MidiDriver_Adlib::property(int prop, int32 param) {
+	switch(prop) {
+	case MIDI_PROP_MASTER_VOLUME:
+		if(param != -1)
+			_masterVolume = param;
+		return _masterVolume;
+	default:
+		break;
+	}
+	return -1;
+}
+
+
 int MidiPlayer_Adlib::open(ResourceManager *resMan) {
 	assert(resMan != NULL);
 
diff --git a/engines/sci/sfx/softseq/adlib.h b/engines/sci/sfx/softseq/adlib.h
index 771bdc3927..fccf0a2c94 100644
--- a/engines/sci/sfx/softseq/adlib.h
+++ b/engines/sci/sfx/softseq/adlib.h
@@ -36,7 +36,7 @@ public:
 	};
 
 	MidiDriver_Adlib(Audio::Mixer *mixer) : MidiDriver_Emulated(mixer), _playSwitch(true), _masterVolume(15), _rhythmKeyMap(0), _opl(0) { }
-	~MidiDriver_Adlib() { }
+	virtual ~MidiDriver_Adlib() { }
 
 	// MidiDriver
 	int open(bool isSCI0);
@@ -55,6 +55,7 @@ public:
 	void setVolume(byte volume);
 	void playSwitch(bool play);
 	bool loadResource(const byte *data, uint size);
+	virtual int32 property(int prop, int32 param);
 
 private:
 	enum ChannelID {