iic_smbus_read_byte
if ((ret = iic_smbus_read_byte(sc->sc_tag, TDA_HDMI, REGADDR(reg),
error = iic_smbus_read_byte(tag, sc->sc_addr, reg, &value, flags);
return iic_smbus_read_byte(sc->sc_tag, sc->sc_addr, reg, val, 0);
if (iic_smbus_read_byte(sc->sc_tag, sc->sc_addr, reg, &val, 0) != 0)
int iic_smbus_read_byte(i2c_tag_t, i2c_addr_t, uint8_t, uint8_t *, int);