On Mon, 3 Dec 2007, Mark Davies wrote:
> On the AD1984 headphone input comes from dac03 by default but the
> system tends to use dac04 (dac) so if you want to feed that to the
> headphones try:
>
> 	mixerctl -w inputs.sel22.source=dac
>
> Attached is a patch for azalia_codec.c that gives somewhat more
> meaningful names (to my mind) for the widgets of the AD1984.  After
> applying "mixerctl -av" will look something like this:

We should set this by default if this->subid == AD1984_THINKPAD in 
ad1984_mixer_init, as we currently do for eapd. Can you update your patch?

FYI, my T61 automatically mutes the speakers when I plug in headphones, 
and I can confirm that inputs.sel22.source=dac is the magic bullet. 
Thanks!

Cheers,
Jared