Those are used for describing input device category and not specific
button.
Reported by clang.
* xlat/evdev_keycode.in (BTN_MOUSE, BTN_JOYSTICK, BTN_GAMEPAD, BTN_DIGI,
BTN_WHEEL, BTN_TRIGGER_HAPPY): Remove.
BTN_8 0x108
BTN_9 0x109
-BTN_MOUSE 0x110
BTN_LEFT 0x110
BTN_RIGHT 0x111
BTN_MIDDLE 0x112
BTN_BACK 0x116
BTN_TASK 0x117
-BTN_JOYSTICK 0x120
BTN_TRIGGER 0x120
BTN_THUMB 0x121
BTN_THUMB2 0x122
BTN_BASE6 0x12b
BTN_DEAD 0x12f
-BTN_GAMEPAD 0x130
BTN_SOUTH 0x130
BTN_EAST 0x131
BTN_C 0x132
BTN_THUMBL 0x13d
BTN_THUMBR 0x13e
-BTN_DIGI 0x140
BTN_TOOL_PEN 0x140
BTN_TOOL_RUBBER 0x141
BTN_TOOL_BRUSH 0x142
BTN_TOOL_TRIPLETAP 0x14e
BTN_TOOL_QUADTAP 0x14f
-BTN_WHEEL 0x150
BTN_GEAR_DOWN 0x150
BTN_GEAR_UP 0x151
KEY_ONSCREEN_KEYBOARD 0x278
-BTN_TRIGGER_HAPPY 0x2c0
BTN_TRIGGER_HAPPY1 0x2c0
BTN_TRIGGER_HAPPY2 0x2c1
BTN_TRIGGER_HAPPY3 0x2c2