Atmel ASoC driver for boards using PDMIC

modulename: snd-atmel-soc-pdmic.ko

configname: CONFIG_SND_ATMEL_SOC_PDMIC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Device Tree and Open Firmware support
└─>Atmel ASoC driver for boards using PDMIC
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y if you want to add support for Atmel ASoC driver for boards using
PDMIC.

source code:
sound/soc//atmel/