diff --git a/include/input/DisplayViewport.h b/include/input/DisplayViewport.h
index 334fe34..b90d57e 100644
--- a/include/input/DisplayViewport.h
+++ b/include/input/DisplayViewport.h
@@ -19,6 +19,7 @@
 
 #include <android-base/stringprintf.h>
 #include <input/Input.h>
+#include <input/NamedEnum.h>
 
 #include <cinttypes>
 #include <optional>
@@ -44,18 +45,6 @@
     VIRTUAL = 3,
 };
 
-static const char* viewportTypeToString(ViewportType type) {
-    switch (type) {
-        case ViewportType::INTERNAL:
-            return "INTERNAL";
-        case ViewportType::EXTERNAL:
-            return "EXTERNAL";
-        case ViewportType::VIRTUAL:
-            return "VIRTUAL";
-    }
-    return "UNKNOWN";
-}
-
 /*
  * Describes how coordinates are mapped on a physical display.
  * See com.android.server.display.DisplayViewport.
@@ -142,7 +131,7 @@
                             "physicalFrame=[%d, %d, %d, %d], "
                             "deviceSize=[%d, %d], "
                             "isActive=[%d]",
-                            viewportTypeToString(type), displayId, uniqueId.c_str(),
+                            NamedEnum::string(type).c_str(), displayId, uniqueId.c_str(),
                             physicalPort ? StringPrintf("%" PRIu8, *physicalPort).c_str()
                                          : "<none>",
                             orientation, logicalLeft, logicalTop, logicalRight, logicalBottom,