[ALSA - driver 0002170]: No S/PDIF controls on STAC 9200

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A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2170> 
======================================================================
Reported By:                mini
Assigned To:                tiwai
======================================================================
Project:                    ALSA - driver
Issue ID:                   2170
Category:                   PCI - hda-intel
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     assigned
Distribution:               Ubuntu Dapper
Kernel Version:             2.6.15
======================================================================
Date Submitted:             05-29-2006 12:34 CEST
Last Modified:              07-06-2006 23:22 CEST
======================================================================
Summary:                    No S/PDIF controls on STAC 9200
Description: 
I know this laptop (Dell XPS M1710) has S/PDIF out, but there is no ALSA
control for it in alsamixer.
======================================================================

----------------------------------------------------------------------
 mini - 07-06-06 23:12 
----------------------------------------------------------------------
Hmm, but the S/PDIF works in Windows, so there has to be a software
possibility...

Do you know someway I can check how windows does it?

Now that I come to think about it - is the pin confing only detected at
boot? Because I've had trobles in Windows with the S/PDIF output only
working when on battery. I'll try booting on battery to see if the pin
configs are different...

----------------------------------------------------------------------
 mini - 07-06-06 23:22 
----------------------------------------------------------------------
YEEESSS! That was it!

I rmmod'ed the snd-hda-intel module, unplugged the AC, and modprobed it
again. Now:

Node 0x09 [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x0810: OUT
  Pin Default 0x01451012: [Jack] SPDIF Out at Ext Rear
    Conn = Optical, Color = Black
  Pin-ctls: 0x40: OUT
  Connection: 2
     0x05* 0x0a

I still don't get a control in gnome-volume-control, but alsamixer gives
me one.

Off to test tomorrow.

I think this bug can be closed - I think I'm having a hardware (grounding)
issue.

Issue History
Date Modified  Username       Field                    Change              
======================================================================
05-29-06 12:34 mini           New Issue                                    
05-29-06 12:34 mini           Distribution              => Ubuntu Dapper   
05-29-06 12:34 mini           Kernel Version            => 2.6.15          
07-02-06 23:54 mini           Note Added: 0010795                          
07-06-06 19:46 tiwai          Note Added: 0010873                          
07-06-06 23:12 mini           Note Added: 0010884                          
07-06-06 23:22 mini           Note Added: 0010885                          
======================================================================



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