KEY_ONSCREEN_KEYBOARD
[KEY_ONSCREEN_KEYBOARD] = "OnScreenKeyBoard",
wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);