dac_unknown
const char* dac = ptr_entity->port_info[port].dac_type == dac_unknown
di->routing.port_info[0].dac_type = dac_unknown;
di->routing.port_info[1].dac_type = dac_unknown;
if (ptr_entity->port_info[0].dac_type == dac_unknown)
if ( ptr_entity->port_info[j].dac_type == dac_unknown )
ptr_entity->port_info[1].dac_type = dac_unknown;