- ret = sr_ser_libsp_set_params(serial,
- baudrate, bits, parity, stopbits, flowcontrol, rts, dtr);
+ if (!serial->lib_funcs || !serial->lib_funcs->set_params)
+ return SR_ERR_NA;
+ ret = serial->lib_funcs->set_params(serial,
+ baudrate, bits, parity, stopbits,
+ flowcontrol, rts, dtr);