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

[Jérémy Lal]

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.

Jérémy.