Symbol: UFTDIIOC_RESET_RX
sys/dev/usb/serial/uftdi.c
1944
case UFTDIIOC_RESET_RX:
sys/dev/usb/serial/uftdi.c
1948
(cmd == UFTDIIOC_RESET_RX ? FTDI_SIO_RESET_PURGE_RX :