--- zzzz-none-000/linux-3.10.107/include/uapi/linux/serio.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/serio.h	2021-02-04 17:41:59.000000000 +0000
@@ -76,5 +76,6 @@
 #define SERIO_HAMPSHIRE	0x3b
 #define SERIO_PS2MULT	0x3c
 #define SERIO_TSC40	0x3d
+#define SERIO_WACOM_IV	0x3e
 
 #endif /* _UAPI_SERIO_H */