a4tech_workaround 70 drivers/input/mouse/psmouse-base.c module_param_named(a4tech_workaround, psmouse_a4tech_2wheels, bool, 0644); a4tech_workaround 71 drivers/input/mouse/psmouse-base.c MODULE_PARM_DESC(a4tech_workaround, "A4Tech second scroll wheel workaround, 1 = enabled, 0 = disabled (default).");