QT_GET_SET_PREBUF_TRIG_LVL   31 drivers/usb/serial/quatech2.c #define QT_GET_SET_PREBUF_TRIG_LVL  0xcc
QT_GET_SET_PREBUF_TRIG_LVL   24 drivers/usb/serial/ssu100.c #define QT_GET_SET_PREBUF_TRIG_LVL  0xcc