[alsa-devel] [PATCH] ALSA: hda - add mic fixup for ALC269VB on Ordissimo EVE2

[Anisse Astier]

On Wed, 05 Jun 2013 12:26:59 +0200, Takashi Iwai <tiwai at suse.de> wrote :

> > I'm on a dead end on this computer, I can't seem to find how the mic jack
> > presence works. It's always on(presence detected whatever the status) on NID
> > 0x18, the one used for the external mic. I have tried every NID, manually
> > enabling pin_sense on each, but only the headphone jack detection works. The
> > mic sense is nowhere to be seen.  
> 
> I also don't know any other method for Realtek.  For IDT codecs, there
> are some devices with GPIO unsol events, but Realtek codecs seem to
> use only the normal pin detection unsol events.
> 
> So, on your device, GET_PIN_SENSE doesn't return the detection bit
> set?  You tried setting SET_PIN_SENSE before GET_PIN_SENSE, right?
> 

I did more tests, this time using hda-verb directly instead of
hda-analyzer tools. And GET_PIN_SENSE does return the correct value…
sometimes. (without the need for SET_PIN_SENSE)
It seems the value is correct only if queried once every 10 to 15
seconds. Changing the jackpoll_ms argument does not seem to help, so I'll
keep digging into it.

Anisse