BTN_TOOL_PENCIL
[BTN_TOOL_BRUSH] = "ToolBrush", [BTN_TOOL_PENCIL] = "ToolPencil",
__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
return BTN_TOOL_PENCIL;
#define AIPTEK_TOOL_BUTTON_PENCIL_MODE BTN_TOOL_PENCIL
BTN_TOOL_PEN, BTN_TOOL_RUBBER, BTN_TOOL_PENCIL, BTN_TOOL_AIRBRUSH,