CONFIG_SND_AC97_CODEC (not configurable)

modulename: snd-ac97-codec.ko

configname: CONFIG_SND_AC97_CODEC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>Generic devices
└─>SND_AC97_CODEC
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
sound/pci//ac97//