Confirmed in evtest ... the eraser is reported by evdev as a different tool "BTN_TOOL_RUBBER" vs the other end which is "BTN_TOOL_PEN".
So the eraser is indeed a different tool type.
Confirmed in evtest ... the eraser is reported by evdev as a different tool "BTN_TOOL_RUBBER" vs the other end which is "BTN_TOOL_PEN".
So the eraser is indeed a different tool type.