ubsa_cfg_request
static void ubsa_cfg_request(struct ubsa_softc *, uint8_t, uint16_t);
ubsa_cfg_request(sc, UBSA_REG_DTR, onoff ? 1 : 0);
ubsa_cfg_request(sc, UBSA_REG_RTS, onoff ? 1 : 0);
ubsa_cfg_request(sc, UBSA_REG_BREAK, onoff ? 1 : 0);
ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, 0);
ubsa_cfg_request(sc, UBSA_REG_BAUDRATE, value);
ubsa_cfg_request(sc, UBSA_REG_PARITY, value);
ubsa_cfg_request(sc, UBSA_REG_DATA_BITS, value);
ubsa_cfg_request(sc, UBSA_REG_STOP_BITS, value);
ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, value);