[alsa-devel] idt blue jack patch

Takashi Iwai tiwai at suse.de
Mon Feb 16 11:55:22 CET 2009

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.


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