PSMOUSE_PS2PP 737 drivers/input/mouse/psmouse-base.c .type = PSMOUSE_PS2PP, PSMOUSE_PS2PP 1183 drivers/input/mouse/psmouse-base.c if (psmouse_try_protocol(psmouse, PSMOUSE_PS2PP, PSMOUSE_PS2PP 1185 drivers/input/mouse/psmouse-base.c return PSMOUSE_PS2PP;