ADT7316_DAC_CONFIG
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);