KMX61_REG_INC1
ret = i2c_smbus_read_byte_data(data->client, KMX61_REG_INC1);
ret = i2c_smbus_write_byte_data(data->client, KMX61_REG_INC1, ret);
ret = i2c_smbus_read_byte_data(data->client, KMX61_REG_INC1);
ret = i2c_smbus_write_byte_data(data->client, KMX61_REG_INC1, ret);