FTDI_SIO_SET_FLOW_CTRL  464 dev/usb/uftdi.c 	req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
FTDI_SIO_SET_FLOW_CTRL  656 dev/usb/uftdi.c 	req.bRequest = FTDI_SIO_SET_FLOW_CTRL;