diff --git a/include/linux/input.h b/include/linux/input.h
index 50e338d2ffda9cb5a835d67849e38ae0ceba1647..14036ee0749b75391bb164285df18f742cff3f1e 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -345,6 +345,8 @@ struct input_absinfo {
 #define KEY_SAVE		234
 #define KEY_DOCUMENTS		235
 
+#define KEY_BATTERY		236
+
 #define KEY_UNKNOWN		240
 
 #define BTN_MISC		0x100