VIA 82C686A/B, 8233/8235 AC97 Controller

modulename: snd-via82xx.ko

configname: CONFIG_SND_VIA82XX

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>PCI devices
└─>VIA 82C686A/B, 8233/8235 AC97 Controller
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for the integrated AC97 sound
device on motherboards with VIA chipsets.

To compile this driver as a module, choose M here: the module
will be called snd-via82xx.

source code:
sound/pci//