diff --git a/include/linux/serio.h b/include/linux/serio.h
index 25641d9..1bcb357 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -213,5 +213,6 @@
 #define SERIO_ZHENHUA	0x36
 #define SERIO_INEXIO	0x37
 #define SERIO_TOUCHIT213	0x37
+#define SERIO_W8001	0x39
 
 #endif