SPD5118_REG_VENDOR
err = regmap_read(regmap, SPD5118_REG_VENDOR, &bank);
err = regmap_read(regmap, SPD5118_REG_VENDOR + 1, &vendor);
regval = i2c_smbus_read_word_data(client, SPD5118_REG_VENDOR);
regval = i2c_smbus_read_word_data(client, SPD5118_REG_VENDOR);