SoC Audio for the TI DAVINCI or AM33XX chip

modulename: snd-soc-davinci.ko

configname: CONFIG_SND_DAVINCI_SOC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for the TI DAVINCI or AM33XX chip
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Platform driver for daVinci or AM33xx
Say Y or M if you want to add support for codecs attached to
the DAVINCI AC97, I2S, or McASP interface. You will also need
to select the audio interfaces to support below.

source code:
sound/soc//davinci/