SoC Audio for the Atmel System-on-Chip

configname: CONFIG_SND_ATMEL_SOC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for the Atmel System-on-Chip
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Say Y or M if you want to add support for codecs attached to
the ATMEL SSC interface. You will also need
to select the audio interfaces to support below.