BQ27xxx battery driver

modulename: bq27xxx_battery.ko

configname: CONFIG_BATTERY_BQ27XXX

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>BQ27xxx battery driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here to enable support for batteries with BQ27xxx chips.

source code: