on-board sound on ASUS TRX-40

[Takashi Iwai]

On Thu, 22 Oct 2020 14:33:47 +0200,
Dan Aloni wrote:
> 
> On Thu, Oct 22, 2020 at 12:24:31PM +0200, Takashi Iwai wrote:
> > On Thu, 22 Oct 2020 12:18:52 +0200,
> > Dan Aloni wrote:
> > > 
> > > On Thu, Oct 22, 2020 at 11:14:03AM +0200, Takashi Iwai wrote:
> > > > On Thu, 22 Oct 2020 10:17:46 +0200,
> > > > Dan Aloni wrote:
> > > > > 
> > > > > Hi,
> > > > > 
> > > > > The on-board earphone jack does not seem to work on an ASUS TRX-40
> > > > > board. Here's the alsa-info.sh output:
> > > > > 
> > > > > http://alsa-project.org/db/?f=7a94c1b1eec4b2e623c75770364ec43c33d6c95c
> > > > > 
> > > > > Tried coding up the patch below, but it _does not_ fix the problem. It
> > > > > does shows the earphone as 'plugged' though. Verified that it's not an
> > > > > hardware issue via Windows.
> > > > > 
> > > > > Please instruct on how to debug this further.
> > > > 
> > > > Did you try to add connector_map, too?
> > > 
> > > Yes, and it did not help. Anything else I can try?
> > 
> > Well, you need to figure out via trial and error.
> > It should receive some event processed in
> > snd_usb_mixer_interrupt_v2(), and you can check which widget is
> > involved, at least.
> 
> Upon plugging or unplugging the headphone, the unitid of 11 matches the
> unit in `trx40_mobo_connector_map`, although two events are happening -
> two for plug and two for unplug. There's another event for '7', and
> changing the second item of `static const struct usbmix_connector_map`
> from 11 to 7 does not seem to affect it.

Well, then I'm afraid that it has yet another mapping of the units.
You'd need to create the whole map from the topology, and rewrite the
connector_map as well.


Takashi