Allwinner A10 Codec Support

modulename: sun4i-codec.ko

configname: CONFIG_SND_SUN4I_CODEC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Allwinner SoC Audio support
└─>Allwinner A10 Codec Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Select Y or M to add support for the Codec embedded in the Allwinner
A10 and affiliated SoCs.

source code: