1 files changed, 6 insertions, 1 deletions
diff --git a/src/lib/mathlib/math/filter/LowPassFilter2p.cpp b/src/lib/mathlib/math/filter/LowPassFilter2p.cpp
index 3699d9bce..6f640c9f9 100644
--- a/src/lib/mathlib/math/filter/LowPassFilter2p.cpp
+++ b/src/lib/mathlib/math/filter/LowPassFilter2p.cpp
@@ -69,7 +69,7 @@ float LowPassFilter2p::apply(float sample)
     // do the filtering
     float delay_element_0 = sample - _delay_element_1 * _a1 - _delay_element_2 * _a2;
     if (isnan(delay_element_0) || isinf(delay_element_0)) {
-        // don't allow bad values to propogate via the filter
+        // don't allow bad values to propagate via the filter
         delay_element_0 = sample;
     }
     float output = delay_element_0 * _b0 + _delay_element_1 * _b1 + _delay_element_2 * _b2;
@@ -81,5 +81,10 @@ float LowPassFilter2p::apply(float sample)
     return output;
 }
 
+float LowPassFilter2p::reset(float sample) {
+    _delay_element_1 = _delay_element_2 = sample;
+    return apply(sample);
+}
+
 } // namespace math