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Bug 1689700 - Unable to configure S/PDIF sound output on Fedora 30 pre-beta
Summary: Unable to configure S/PDIF sound output on Fedora 30 pre-beta
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: gnome-control-center
Version: 30
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Pete Walter
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-03-17 22:23 UTC by kwkaess
Modified: 2019-03-17 22:24 UTC (History)
3 users (show)

Fixed In Version:
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Description kwkaess 2019-03-17 22:23:56 UTC
Description of problem:

Trying to enable digital audio (S/PDIF) on USB-connected amplifier falls back to analog. Selecting 'Test' on gnome-control-center fails to enumerate speakers.



Version-Release number of selected component (if applicable):

3.32.0.1-1



How reproducible:

Always



Steps to Reproduce:

1.Have Teac AH01 amplifier connected via USB
2.Try to enable 'Digital Audo (S/PDIF) - Teac USB Audio
3. Push the Test button or try to adjust sound level



Actual results:

If pushing the test button: 
1) The test box pops up with no speakers
2) journalctl displays errors:
Mar 17 15:04:35 localhost gnome-control-c[9974]: gvc_mixer_stream_get_channel_map: assertion 'GVC_IS_MIXER_STREAM (stream)' failed
Mar 17 15:04:35 localhost gnome-control-c[9974]: gvc_channel_map_has_position: assertion 'GVC_IS_CHANNEL_MAP (map)' failed
Mar 17 15:04:35 localhost gnome-control-c[9974]: gvc_channel_map_has_position: assertion 'GVC_IS_CHANNEL_MAP (map)' failed
..plus 8 more repeats of this line...



If adjusting the sound level:

The analog sound level is adjusted. Output is still, presumably, via analog.


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