diff --git a/stepmania/src/InputFilter.cpp b/stepmania/src/InputFilter.cpp
index 42c48b3d6c..d5f94010c4 100644
--- a/stepmania/src/InputFilter.cpp
+++ b/stepmania/src/InputFilter.cpp
@@ -40,6 +40,13 @@ void InputFilter::ButtonPressed( DeviceInput di, bool Down )
 	queue.push_back( InputEvent(di,iet) );
 }
 
+/* Release all buttons on the given device. */
+void InputFilter::ResetDevice( InputDevice dev )
+{
+	for( int button = 0; button < NUM_DEVICE_BUTTONS; ++button )
+		ButtonPressed( DeviceInput(dev, button), false );
+}
+
 void InputFilter::Update(float fDeltaTime)
 {
 	INPUTMAN->Update( fDeltaTime );
diff --git a/stepmania/src/InputFilter.h b/stepmania/src/InputFilter.h
index 749e1255ba..491459f414 100644
--- a/stepmania/src/InputFilter.h
+++ b/stepmania/src/InputFilter.h
@@ -44,6 +44,8 @@ class InputFilter
 
 public:
 	void ButtonPressed( DeviceInput di, bool Down );
+	void ResetDevice( InputDevice dev );
+
 	InputFilter();
 	void Update(float fDeltaTime);