FTDI_MODEM_ALLHIGH, FTDI_INDEX, NULL, 0, 10)) < 0) {
sr_err("Failed to set modem control: %s", libusb_error_name(ret));
return SR_ERR;
FTDI_MODEM_ALLHIGH, FTDI_INDEX, NULL, 0, 10)) < 0) {
sr_err("Failed to set modem control: %s", libusb_error_name(ret));
return SR_ERR;