[alsa-devel] No line out on latest Mac Mini

[John Frankish]

> On 22/10/2011 16:01, John Frankish wrote:
> >> Hi,
> >> i have an imac 12,2 (2011) and i had to change GPIO with hda_analyzer
> >> to get some sound on line out.
> >>
> >> Jérémy.
> >
> > Thanks - I see something like this with hda_analyser:
> >
> > Global Input Amplifier Caps-> <- Global Output Amplifier Caps
> >
> > GPIO
> >                   out-dir enable unsol sticky wake data [0]
> > [1]            x             x                                                [x]
> > [2]
> > [3]            x             x                                                x
> >
> > ..where [1] data enables/disables line out and [3] data enables/disables the
> internal speaker.
> > [1] data was not checked and doing so got things working - a big thank you
> for this.
> >
> > Line out continues to work after closing hda_analyser, but do you know
> > what it actually changes so I Can make it permanent across reboots?
> 
> A patch that applies to recent kernels :
> https://gist.github.com/1306112
> 
> The pincfg won't probably apply for you -- but it show how you can hack
> something.
> 
Thanks - I had a go at making a patch, but couldn't get things to work.

Is there a howto anywhere?

Otherwise, I guess I'll have to wait for a later version of alsa...