1 files changed, 2 insertions, 0 deletions

diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index 4649ee35b605..2fb6fae50e90 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -194,6 +194,8 @@ struct input_keymap_entry {
 #define SYN_CONFIG              1
 #define SYN_MT_REPORT           2
 #define SYN_DROPPED             3
+#define SYN_MAX                 0xf
+#define SYN_CNT                 (SYN_MAX+1)
 
 /*
  * Keys and buttons