PCF85xx_R_CS1
if ((err = nxprtc_readfrom(sc->dev, PCF85xx_R_CS1, &csr,
err = write_reg(sc, PCF85xx_R_CS1, 0);
if ((err = nxprtc_readfrom(sc->dev, PCF85xx_R_CS1, &csr,
if ((err = write_reg(sc, PCF85xx_R_CS1, 0)) != 0) {
err = read_reg(sc, PCF85xx_R_CS1, &cs1);
if ((err = read_reg(sc, PCF85xx_R_CS1, &cs1)) != 0)
if ((err = write_reg(sc, PCF85xx_R_CS1, cs1)) != 0)
err = write_reg(sc, PCF85xx_R_CS1, cs1);