KEY_DISPLAYTOGGLE  503 include/dt-bindings/input/linux-event-codes.h #define KEY_DISPLAYTOGGLE	0x1af	/* Turn display (LCD) on and off */
KEY_DISPLAYTOGGLE  503 include/uapi/linux/input-event-codes.h #define KEY_DISPLAYTOGGLE	0x1af	/* Turn display (LCD) on and off */
KEY_DISPLAYTOGGLE  503 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_DISPLAYTOGGLE	0x1af	/* Turn display (LCD) on and off */