ST-Ericsson AB5500 Mixed Signal Power Management chip

modulename: ab5500-core.ko

configname: CONFIG_AB5500_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>ST-Ericsson AB5500 Mixed Signal Power Management chip
In linux kernel since version 3.3 (release Date: 2012-03-18)  
Select this option to enable access to AB5500 power management
chip. This connects to the db5500 chip via the I2C bus via PRCMU.
This chip embeds various other multimedia funtionalities as well.

source code: