VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900

modulename: i2c-viapro.ko

configname: CONFIG_I2C_VIAPRO

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>PCI support
└─>VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
If you say yes to this option, support will be included for the VIA
VT82C596 and later SMBus interface. Specifically, the following
chipsets are supported:
VT82C596A/B
VT82C686A/B
VT8231
VT8233/A
VT8235
VT8237R/A/S
VT8251
CX700
VX800/VX820
VX855/VX875
VX900

This driver can also be built as a module. If so, the module
will be called i2c-viapro.

source code: