SoC Audio for Freescale i.MX CPUs

modulename: snd-soc-imx.ko

configname: CONFIG_SND_IMX_SOC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for Freescale i.MX CPUs
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
Say Y or M if you want to add support for codecs attached to
the i.MX SSI interface.

source code:
sound/soc//imx/