ST-Ericsson AB8500 GPADC driver

modulename: ab8500-gpadc.ko

configname: CONFIG_AB8500_GPADC

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>ST-Ericsson AB8500 GPADC driver
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
AB8500 GPADC driver used to convert Acc and battery/ac/usb voltage

source code: