AMD InterWave, Gravis UltraSound PnP

modulename: snd-cs4231-lib.ko

and/or

snd-interwave.ko

configname: CONFIG_SND_INTERWAVE

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>ISA devices
└─>AMD InterWave, Gravis UltraSound PnP
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for AMD InterWave based
soundcards (Gravis UltraSound Plug & Play, STB SoundRage32,
MED3210, Dynasonic Pro, Panasonic PCA761AW).

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

source code:
sound/isa//cs423x//