KEY_KBDILLUMTOGGLE 307 include/dt-bindings/input/linux-event-codes.h #define KEY_KBDILLUMTOGGLE 228 KEY_KBDILLUMTOGGLE 307 include/uapi/linux/input-event-codes.h #define KEY_KBDILLUMTOGGLE 228 KEY_KBDILLUMTOGGLE 307 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_KBDILLUMTOGGLE 228