kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_AB4500_CORE.
Result is shown for kernelversion 2.6.34.9

ST-Ericsson's AB4500 Mixed Signal Power management chip

modulename: ab4500-core.ko
configname: CONFIG_AB4500_CORE

Linux Kernel Configuration
└─> Device Drivers
└─> Multifunction device drivers
└─> SPI support
└─> ST-Ericsson's AB4500 Mixed Signal Power management chip

Select this option to enable access to AB4500 power management
chip. This connects to U8500 on the SSP/SPI bus and exports
read/write functions for the devices to get access to this chip.
This chip embeds various other multimedia funtionalities as well.


source code:


drivers/mfd/ab4500-core.c