diff --git a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
index 5d5bee7..1891205 100644
--- a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
+++ b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
@@ -108,13 +108,13 @@
 }
 
 void TouchButtonAccumulator::processMappedKey(int32_t scanCode, bool down) {
-    int32_t outKeyCode, outMetaState;
-    uint32_t outFlags;
+    int32_t keyCode, metaState;
+    uint32_t flags;
     if (mDeviceContext.mapKey(scanCode, mHidUsageAccumulator.consumeCurrentHidUsage(),
-                              0 /*metaState*/, &outKeyCode, &outMetaState, &outFlags) != OK) {
+                              0 /*metaState*/, &keyCode, &metaState, &flags) != OK) {
         return;
     }
-    switch (outKeyCode) {
+    switch (keyCode) {
         case AKEYCODE_STYLUS_BUTTON_PRIMARY:
             mBtnStylus = down;
             break;