diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 4156332..ff39bc1 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -56,6 +56,7 @@
     class EventHandler {
         friend class HWComposer;
         virtual void onVSyncReceived(int disp, nsecs_t timestamp) = 0;
+        virtual void onHotplugReceived(int disp, bool connected) = 0;
     protected:
         virtual ~EventHandler() {}
     };