Trident 4D-Wave DX/NX; SiS 7018

modulename: snd-util-mem.ko

and/or

snd-trident.ko

configname: CONFIG_SND_TRIDENT

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>PCI devices
└─>Trident 4D-Wave DX/NX; SiS 7018
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for soundcards based on Trident
4D-Wave DX/NX or SiS 7018 chips.

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

source code:
sound/pci//trident//