BTN_TOOL_DOUBLETAP
[BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "ToolDoubleTap",
__set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
input_report_key(input, BTN_TOOL_DOUBLETAP,
input_report_key(input, BTN_TOOL_DOUBLETAP, 1);
input_report_key(input, BTN_TOOL_DOUBLETAP, 0);
__set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
input_report_key(udraw->touch_input_dev, BTN_TOOL_DOUBLETAP,
input_report_key(udraw->touch_input_dev, BTN_TOOL_DOUBLETAP, 0);
set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
input_event(dev, EV_KEY, BTN_TOOL_DOUBLETAP, count == 2);
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
input_report_key(input, BTN_TOOL_DOUBLETAP, fingers == 2);
set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fgrs == 2);
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_set_capability(dev, EV_KEY, BTN_TOOL_DOUBLETAP);
input_report_key(input_dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);