Ingenic JZ4740 internal CODEC

modulename: snd-soc-jz4740-codec.ko

configname: CONFIG_SND_SOC_JZ4740_CODEC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Device Tree and Open Firmware support
└─>Ingenic JZ4740 internal CODEC
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Enable support for the internal CODEC found in the JZ4740 SoC
from Ingenic.

This driver can also be built as a module. If so, the module
will be called snd-soc-jz4740-codec.

source code:
sound/soc//codecs/