AMS CCS811 VOC sensor

modulename: ccs811.ko

configname: CONFIG_CCS811

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Chemical Sensors
└─>AMS CCS811 VOC sensor
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Say Y here to build I2C interface support for the AMS
CCS811 VOC (Volatile Organic Compounds) sensor

source code:
drivers/iio/chemical/ccs811.c