[alsa-devel] idt blue jack patch

[Takashi Iwai]

At Mon, 16 Feb 2009 06:13:35 -0300,
Paulo Cavalcanti wrote:
> 
> Hi,
> 
> I received a patch form Fengguang that
> made my Intel DG45ID (snd-hda-intel, codec IDT 92HD73E1X5)
> behave the way it should, in my opinion.
> 
> It just makes the blue jack behave as an input source by default (in alsa
> 1.0.19 it is
> an output jack).
> 
> It is widespread that the green jack is output, the blue input and the pink
> is mic.
> Some cards allow reconfiguring the jacks in alsamixer, but the DG45ID
> already has
> an orange and black jacks for rear and center speakers, and a digital
> output.
> 
> Other people have also raised this problem some time ago:
> 
> https://fcp.surfsite.org/modules/newbb/viewtopic.php?viewmode=threaded&order=ASC&topic_id=62855&forum=12&move=prev&topic_time=1224179600
> 
> Fengguang suggested me to direct my request to the development list,
> so the other developers could decide what to do.
> 
> I would like to add that I can use the input source and the mic just fine
> now
> (the mic could be a bit louder, but it works fine with skype).
> 
> The patch is very simple and is attached. This would conclude the fix
> for this card, Takashi started with me some time ago (I just made the
> tests).

It's fine to put a quirk there.  But, you'd need to create a "model"
for your device so that it won't interfere other devices.  That is,
define a new model type, and call stac92xx_set_config_reg() with the
check of spec->board_config.


Takashi