dln2_adc_set_port_enabled
ret = dln2_adc_set_port_enabled(dln2, true, &conflict);
dln2_adc_set_port_enabled(dln2, false, NULL);
ret = dln2_adc_set_port_enabled(dln2, true, &conflict);
ret = dln2_adc_set_port_enabled(dln2, false, NULL);