AC97 driver for the Intel PXA2xx chip

modulename: snd-pxa2xx-ac97.ko

configname: CONFIG_SND_PXA2XX_AC97

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ARM sound devices
└─>AC97 driver for the Intel PXA2xx chip
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y or M if you want to support any AC97 codec attached to
the PXA2xx AC97 interface.

source code:
sound/arm//