Input: add SYN_MAX and SYN_CNT constants

SYN_* events are special and not enabled via set_bit() for devices. Hence,
they haven't been really needed, yet. However, user-space can still make
great use of that for int->string debugging helpers or alike.

Also, I haven't seen any reason not to define these, so here they are.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index 4649ee3..2fb6fae 100644 (file)
--- 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