ADM1031_REG_CONF1
read_val = adm1031_read_value(client, ADM1031_REG_CONF1);
adm1031_write_value(client, ADM1031_REG_CONF1,
data->conf1 = adm1031_read_value(client, ADM1031_REG_CONF1);
adm1031_write_value(client, ADM1031_REG_CONF1, data->conf1);