Intel High Definition Audio

Introduction
Intel High Definition Audio (HD Audio, HDA, Azalia) is Intel's high-quality successor/alternative to the AC'97 codec.

Configuration

 * 1) Determine which codecs your cards have.
 * It's not that unusual to have more than one sound card these days, since some graphics cards have an HDA audio chip for the HDMI output, so we grep for all codecs on all cards:
 * You should see something like:
 * /proc/asound/card0/codec#0:Codec: Analog Devices AD1986A
 * /proc/asound/card1/codec#0:Codec: ATI R6xx HDMI
 * In this case there are two different codecs, one on each card.
 * 1) Configure the kernel.
 * 1) Configure the kernel.

And you're done!