diff --git a/include/pa_asio.h b/include/pa_asio.h
index 27cbd3b81..f187a0f10 100644
--- a/include/pa_asio.h
+++ b/include/pa_asio.h
@@ -71,6 +71,21 @@ PaError PaAsio_GetAvailableBufferSizes( PaDeviceIndex device,
         long *minBufferSizeFrames, long *maxBufferSizeFrames, long *preferredBufferSizeFrames, long *granularity );
 
 
+typedef void (*PaAsioResetRequestCallback)();
+
+/** Register callback to detect reset requests.
+
+ This correponds to the ASIO kAsioResetRequest and kAsioBufferSizeChange
+ messages.
+
+ @param callback The function to call on ASIO reset request.  This is called
+ when the driver's buffer size has changed or it needs a reset, usually in
+ response to a user changing the configuration.  Call Pa_Terminate followed by
+ Pa_Initialize to have the changes reflected in Portaudio's API.  Pass NULL to
+ unregister a callback.
+*/
+void PaAsio_RegisterResetRequestCallback( PaAsioResetRequestCallback callback );
+
 /** Backwards compatibility alias for PaAsio_GetAvailableBufferSizes
 
  @see PaAsio_GetAvailableBufferSizes
diff --git a/src/hostapi/asio/pa_asio.cpp b/src/hostapi/asio/pa_asio.cpp
index bc5f0e415..40d8899aa 100644
--- a/src/hostapi/asio/pa_asio.cpp
+++ b/src/hostapi/asio/pa_asio.cpp
@@ -3199,6 +3199,13 @@ static void sampleRateChanged(ASIOSampleRate sRate)
     PA_DEBUG( ("sampleRateChanged : %d \n", sRate));
 }
 
+static PaAsioResetRequestCallback resetRequestCallback_;
+
+void PaAsio_RegisterResetRequestCallback( PaAsioResetRequestCallback callback )
+{
+    resetRequestCallback_ = callback;
+}
+
 static long asioMessages(long selector, long value, void* message, double* opt)
 {
 // TAKEN FROM THE ASIO SDK
@@ -3226,6 +3233,10 @@ static long asioMessages(long selector, long value, void* message, double* opt)
 
         case kAsioBufferSizeChange:
             //printf("kAsioBufferSizeChange \n");
+            if (resetRequestCallback_) {
+                resetRequestCallback_();
+                ret = 1L;
+            }
             break;
 
         case kAsioResetRequest:
@@ -3240,6 +3251,9 @@ static long asioMessages(long selector, long value, void* message, double* opt)
                 http://www.portaudio.com/trac/ticket/108
             */
             //asioDriverInfo.stopped;  // In this sample the processing will just stop
+            if (resetRequestCallback_) {
+                resetRequestCallback_();
+            }
             ret = 1L;
             break;