Gravis UltraSound MAX

modulename: snd-cs4231-lib.ko

and/or

snd-gusmax.ko

configname: CONFIG_SND_GUSMAX

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>ISA devices
└─>Gravis UltraSound MAX
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for Gravis UltraSound MAX
soundcards.

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

source code: