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-rw-r--r--include/uapi/linux/input.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index d584047b072b..d08abf9101d2 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