Cirrus Logic HD-audio codec support

configname: CONFIG_SND_HDA_CODEC_CIRRUS

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>HD-Audio
└─>Cirrus Logic HD-audio codec support
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Say Y or M here to include Cirrus Logic HD-audio codec support.

This will enable both CS420x and CS421x HD-audio codec drivers
as default, but you can enable/disable each codec driver
individually, too (only when CONFIG_EXPERT is set).