[pulseaudio-discuss] pulseaudio daemon toggling Alsa SPDIF setting every time

John Carlyle-Clarke john at wormdrive.net
Mon Sep 14 14:27:32 PDT 2009

Lennart Poettering wrote:
> On Mon, 14.09.09 13:04, John Carlyle-Clarke (john at wormdrive.net) wrote:
>> Hi-
>> I have pulseaudio 0.9.15 and alsa 1.0.21 on Archlinux (x86_64).   
>> Everything was working fine, but recently I started getting no sound in  
>> pulse and - when I tried to debug - nothing in Alsa either.  I have two  
>> cards - an onboard nVidia device which I don't use, and a PCI  
>> Soundblaster Audigy 2 which I use as my default.  The problems may have  
>> coincided with an upgrade of Alsa from 1.0.20 -> 1.0.21 but I can't be 
>> sure.
>> I tracked down the exact problem, and it is that every time the pulse  
>> daemon starts, it toggles an SPDIF output flag on my sound card's Alsa  
>> setup.  This effectively disables analog audio.  I tried deleting the  
>> contents of ~/.pulse in case it was restoring some remembered settings  
>> each time, but no joy.
>> If I untoggle that setting after pulseaudio starts, everything is OK  
>> (until next time pulseaudio starts, that is).
>> If anyone can cast some light on the problem or suggest something else I  
>> can test, please do!
> PA is probably simply configuring your card into the SPDIF
> profile. Use a recent g-v-c or pavucontrol version, got to the
> "Configuration" tab and select the profile you want to use for your card.
> Lennart

Hi Lennart-

I have pavucontrol 0.9.8 and in the Configuration tab, the selected 
profile is "Output Analog Stereo + Input Analog Mono".  Apologies, I 
meant to include that info in the original mail.


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