Re: on-board sound on ASUS TRX-40

[Takashi Iwai <tiwai@suse.de>]

On Thu, 22 Oct 2020 17:49:59 +0200,
Dan Aloni wrote:
> 
> On Thu, Oct 22, 2020 at 02:57:56PM +0200, Takashi Iwai wrote:
> > > > > 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.
> > > 
> > > Would be helpful a USB trace from KVM, when running a Windows VM that
> > > successfully manages this device following USB redirection? I can
> > > produce this given instructions, if you have them handy.
> > 
> > The topology is found in lsusb -v output.  It's the connection among
> > units.  More importantly, the maps only care about the certain units
> > like input/output terminals and feature unit.  You can look at those
> > and correct the corresponding unit ids.
> 
> It shows 6 triplelets of input terminal, feature unit, and output terminal,
> and they are structured like this:
> 
>     IT[7]  -> FU[19] -> OT[13]
>     Line-in             USB Streaming
> 
>     IT[8]  -> FU[20] -> OT[14]
>     Rear Mic-In         USB Streaming
> 
>     IT[9]  -> FU[21] -> OT[15]
>     Desktop Mic         USB Streaming
> 
>     IT[10] -> FU[22] -> OT[16]
>     Headphone           Speaker
> 
>     IT[11] -> FU[23] -> OT[17]
>     USB Streaming       Headphone
> 
>     IT[12] -> FU[24] -> OT[18]
>     USB Streaming       SPDIF interface
> 
> Not sure how to make sense of that to a usbmix_name_map array and/or
> usbmix_connector_map array combination that works. My trials so far
> have not yielded a good result.

Could you show the patch you've tried?  Fitting the above into two
tables should be straightforward.


thanks,

Takashi