> >
> > the real cases are those desktop which does not use hda front audio
panel ,
> > they just loss the auto mute since there is no jack detect circuit but
they
> > can still hear sound from the headphone at anytime
> >
> > do pulseaudio need a phantom port for the front panel headphone and mic
> > without jack detection ?
>
> Actually this is one good point.
> The jack detection isn't always reliably on such old machines, and
> BIOS cannot know, too.  That is, it has to be adjusted by user
> manually, whether the jack detection is enabled or not.
>
> So far, we solved this by providing "Auto-Mute Mode" mixer switch.
> But the jack detection controls don't follow this yet.  Maybe we can
> set such a jack control as inactive state when the jack detection is
> disabled.
>
> (And this reminds me that we can cut off "Phantom" name hack by
>  following the same rule -- just set the control inactive when it has
>  no real detection.  But it still appears in control list.)
>
>

The other case is the bios of some computers with alc880 codec have pin
defaults 0x00000000
for some pin complexes

https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1015232

hda jack detect need pin fixup

Pin Default 0x00000000: [Jack] Line Out at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0x0, Sequence = 0x0

http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commit;h=67b6ec3196da235317ff1b9474f17379b78f3294

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/939161

Title:
  Hardware not showed in Gnome-Control-Center. - [M31EI Series, Realtek
  ALC861, Green Headphone Out, Rear]

Status in “alsa-driver” package in Ubuntu:
  Incomplete

Bug description:
  My hardware is not displayed when open the gnome-control-center... But when I 
do:
   # sudo gnome-control-center it is showed correctly.

  
  Terminal messages:

  ========================================================================

  jrzabott@junior-notebook:~$ gnome-control-center

  Gtk-WARNING **: Unknown object home-button specified in sizegroup
  sizegroup

   get server info

   update server
   2 profiles supported on port Headphones 

   2 profiles supported on port Microphone

   SET PROFILES Microphone
   device->priv->disable_profile_swapping = 1 

   create_ui_device_from_port, direction 0 
   description Microphone 
   origin Built-in Audio 
   port available 0 
   

   SET PROFILES Headphones
   device->priv->disable_profile_swapping = 1 

   create_ui_device_from_port, direction 1 
   description Headphones 
   origin Built-in Audio 
   port available 0 
   

   update sink - is new

   Match device with stream 
   We have a match with description : Headphones  
   origin : Built-in Audio 
   cached already with device id 2, 
   => set stream id to 1 

   
   
   lookup-device-from-stream found device  
   device description Headphones 
   device port = analog-output-headphones 
   device stream id 1 
   AND 
   stream port = analog-output-headphones stream id 1 and stream description 
Built-in Audio Analog Stereo 
  active_sink change 

  
   active output update - device id = 2 

  
  sound-cc-panel-WARNING **: The tree is empty => we have no devices in the 
tree => cannot set the active output

   Match device with stream 
   We have a match with description : Microphone  
   origin : Built-in Audio 
   cached already with device id 1, 
   => set stream id to 2 

   
   
   lookup-device-from-stream found device  
   device description Microphone 
   device port = analog-input-microphone 
   device stream id 2 
   AND 
   stream port = analog-input-microphone stream id 2 and stream description 
Built-in Audio Analog Stereo 

   active_input_update Microphone

  sound-cc-panel-WARNING **: The tree is empty => we have no devices so
  cannot set the active input

   saving bar for stream System Soundsjrzabott@junior-notebook:~$

  
  
==========================================================================================

  jrzabott@junior-notebook:~$ sudo gnome-control-center
  [sudo] password for jrzabott: 

  Gtk-WARNING **: Unknown object home-button specified in sizegroup
  sizegroup

  
==========================================================================================


  IMAGES SHOWING THE PROBLEM...

  http://i.imgur.com/Dv7Vm.png - all users.

  http://i.imgur.com/92UqG.png - when I use 'sudo'.

  
  I'm always open to provide informations, and help with anything. :D

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
  Uname: Linux 3.2.0-17-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.92-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jrzabott   1792 F.... pulseaudio
                        jrzabott   1888 F.... TeamViewer.exe
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfe0fc000 irq 43'
     Mixer name : 'Realtek ALC861'
     Components : 'HDA:10ec0861,15840000,00100300 
HDA:10573055,10573055,00100700'
     Controls      : 14
     Simple ctrls  : 9
  Date: Wed Feb 22 22:58:28 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
  Symptom_AlsaPlaybackTestStderr:
   A L S A   l i b   c o n f . c : 1 2 2 0 : ( p a r s e _ d e f )   s h o w   
i s   n o t   a   c o m p o u n d 
    A L S A   l i b   c o n f . c : 1 6 8 6 : ( s n d _ c o n f i g _ l o a d 1 
)   _ t o p l e v e l _ : 2 4 : 2 6 : U n e x p e c t e d   c h a r 
    A L S A   l i b   c o n f . c : 3 4 0 6 : ( c o n f i g _ f i l e _ o p e n 
)   / u s r / s h a r e / a l s a / p u l s e - a l s a . c o n f   m a y   b e 
  o l d   o r   c o r r u p t e d :   c o n s i d e r   t o   r e m o v e   o r 
  f i x   i t
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_Jack: Green Headphone Out, Rear
  Symptom_PulsePlaybackTest: PulseAudio playback test failed
  Symptom_SpeakerTestPulseStderr:
   A L S A   l i b   c o n f . c : 1 2 2 0 : ( p a r s e _ d e f )   s h o w   
i s   n o t   a   c o m p o u n d 
    A L S A   l i b   c o n f . c : 1 6 8 6 : ( s n d _ c o n f i g _ l o a d 1 
)   _ t o p l e v e l _ : 2 4 : 2 6 : U n e x p e c t e d   c h a r 
    A L S A   l i b   c o n f . c : 3 4 0 6 : ( c o n f i g _ f i l e _ o p e n 
)   / u s r / s h a r e / a l s a / p u l s e - a l s a . c o n f   m a y   b e 
  o l d   o r   c o r r u p t e d :   c o n s i d e r   t o   r e m o v e   o r 
  f i x   i t 
    A L S A   l i b   p c m . c : 2 2 1 7 : ( s n d _ p c m _ o p e n _ n o u p 
d a t e )   U n k n o w n   P C M   p u l s e
  Symptom_Type: None of the above
  Title: [M31EI Series, Realtek ALC861, Green Headphone Out, Rear] Playback 
problem
  UpgradeStatus: Upgraded to precise on 2012-02-12 (10 days ago)
  dmi.bios.date: 08/14/2006
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1.05
  dmi.board.name: M31EI Series
  dmi.board.vendor: American Megatrends Inc
  dmi.chassis.type: 10
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1.05:bd08/14/2006:svnAmericanMegatrendsInc:pnM31EISeries:pvr:rvnAmericanMegatrendsInc:rnM31EISeries:rvr:cvn:ct10:cvr:
  dmi.product.name: M31EI Series
  dmi.sys.vendor: American Megatrends Inc
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-02-14T02:07:51.669084

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