[alsa-devel] [PATCH] ALSA: hda - Add mic fixup for Gigabyte BXBT-2807

[Takashi Iwai]

At Tue, 22 Jul 2014 11:42:58 +0100,
Daniel Drake wrote:
> 
> On Tue, Jul 22, 2014 at 11:37 AM, Takashi Iwai <tiwai at suse.de> wrote:
> > What if connecting a headphone jack instead of a headset?
> >
> > Does the device have another mic (internal mic or whatever)?
> > The mis-detection of mic jack won't be a big problem if there is a
> > single mic input, but if there are two, the driver may switch
> > automatically per jack status, thus it becomes a real problem.
> 
> Thanks for checking through this.
> 
> The only audio capabilities of this mini-PC are the headset jack (via
> ALC283 codec), and audio output over HDMI (which appears as another
> codec under HDA architecture).
> There is no internal mic nor internal speakers.
> 
> When nothing is connected:
> Pin 0x19 (Not connected): present = No
> Pin 0x21 (Black HP Out): present = No
> 
> When a headset is connected:
> Pin 0x19 (Not connected): present = Yes
> Pin 0x21 (Black HP Out): present = Yes
> 
> When speakers/simple headphones are connected (no mic):
> Pin 0x19 (Not connected): present = No
> Pin 0x21 (Black HP Out): present = Yes
> 
> In the above output I excluded the other pins which are all "Not
> connected" and always seem to have "present = No".

OK, the jack-detection on the mic pin is really functional.
I applied your patch now (with the rearrangement of the fixup position
in the order).  Thanks.


Takashi