REG_CONFIG4
data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4);
i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4);
ret = adt7475_read(REG_CONFIG4);
ret = adt7475_read(REG_CONFIG4);
return i2c_smbus_write_byte_data(client, REG_CONFIG4, config4);
return i2c_smbus_write_byte_data(client, REG_CONFIG4,
data->config4 = adt7475_read(REG_CONFIG4);