Public bug reported:
This issue occurs in both 16.04 and 18.04 on Dell Precision 7530
Before sleep, the sound settings show a single HDMI / Displayport "HDA
NVidia" sound device (see attachment)
Afterwards, there are several 'copies' of this device (see attachment) -
No sound comes out of any of the HDMI devices
Screen Captures + Logs included in .zip attached
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: audio dell hdmi
** Attachment added: "Logs + Screen Captures"
https://bugs.launchpad.net/bugs/1809316/+attachment/5223857/+files/HDMI_Audio_Issue.zip
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https://bugs.launchpad.net/bugs/1809316
Title:
HDMI Audio failing after resuming from sleep
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