diff --git a/include/linux/input.h b/include/linux/input.h
index 6c407e5..4bdacad 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -775,6 +775,7 @@
 #define SW_CAMERA_LENS_COVER	0x09  /* set = lens covered */
 #define SW_KEYPAD_SLIDE		0x0a  /* set = keypad slide out */
 #define SW_FRONT_PROXIMITY	0x0b  /* set = front proximity sensor active */
+#define SW_ROTATE_LOCK		0x0c  /* set = rotate locked/disabled */
 #define SW_MAX			0x0f
 #define SW_CNT			(SW_MAX+1)