From mboxrd@z Thu Jan  1 00:00:00 1970
From: Raymond Yau <superquad.vortex2@gmail.com>
Subject: Re: HD-audio regression after commit
	34588709af61be1550b4e2bcee5c85d0ac4f34d4
Date: Thu, 17 Jan 2013 20:49:56 +0800
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>
> OK, now as far as Auto-Mute goes, should it do what expected when enabled
- i.e. muting the speakers when headphones are connected to the front
panel? I have tried that, does not seem to work.
>

Do your computer chassis have a hda front audio panel with Jack detection ?

The front headphone Jack should return true when headphone Jack is plugged

control.35 {
iface CARD
name 'Front Headphone Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}

All ADI codecs support impedance measurement

Try the modified hda-jack-sense-test which need hda-analyzer

http://thread.gmane.org/gmane.linux.alsa.devel/90911/focus=91115