Red Hat Bugzilla – Bug 507492
Selecting analog or digital output in pulseaudio pavucontrol has no effect
Last modified: 2010-06-28 09:14:15 EDT
Description of problem:
As we know from bug 496320, pulseaudio defaults to digital output over analog. pavucontrol has an option in the configuration tab to switch between analog and digital output, but this has no effect for me. I have a Audigy2 Value, emu10k1 chip.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Login to X.
2. Try to listen to music.
3. Open pavucontrol, select Configuration tab, select "Output Analog Stereo," or any other profile with Analog Output.
4. Switch between Analog and Digital Output.
No sound, no effect from switching profiles. If analog output is currently enabled through alsamixer, selecting Digital Output in pavucontrol has no effect either.
The profiles, in order to switch between analog and digital output, should mute and turn on the switch called "IEC958 Optical Raw" in alsamixer, or by alsactl:
comment.access 'read write'
name 'IEC958 Optical Raw Playback Switch'
However, this switch is not changed.
Output should switch between digital and analog as selected.
I can use alsactl restore or alsamixer every time I log in to reset to analog output. If bug 496320 were fixed, then this problem would be less obvious to me since I use analog speakers, but solving it is independent of that bug.
alsactl init (which doesn't affect this switch, as it doesn't know whether I want digital or analog output) gives this message indicating that it cannot
precisely identify my emu10k1 Audigy2 Value card:
Unknown hardware: "Audigy2" "SigmaTel STAC9750,51" "AC97a:83847650" "0x1102"
Hardware is initialized using a guess method
Sounds like a problem in the spdif:xxx device string logic in ALSA. Reassigning to ALSA.
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