OPTi 82C92x - CS4231

modulename: snd-cs4231-lib.ko

and/or

snd-opti92x-cs4231.ko

configname: CONFIG_SND_OPTI92X_CS4231

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>ISA devices
└─>OPTi 82C92x - CS4231
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for soundcards based on Opti
82C92x chips and using a CS4231 codec.

To compile this driver as a module, choose M here: the module
will be called snd-opti92x-cs4231.

source code: