the easy way is to use hda-jack-retask
or
early patching
http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/HD-Audio.txt
the easy way is to use hda-jack-retask
or
early patching
http:// git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ plain/Documenta tion/sound/ alsa/HD- Audio.txt