CP210X_PARTNUM_CP2102N_QFN20 1719 drivers/usb/serial/cp210x.c case CP210X_PARTNUM_CP2102N_QFN20: CP210X_PARTNUM_CP2102N_QFN20 1839 drivers/usb/serial/cp210x.c case CP210X_PARTNUM_CP2102N_QFN20: