1) originally we use speaker-test to test HDMI/DP/Legacy, failed on
Ubuntu 20.10. with 5.9 official kernel, works fine.
2) now we change to another method to test audio, works well.
Summary:
Seems test tools has some issue.
5.9 official kernel support speaker-test, but in 5.8 (ubuntu 20.10), doesn't
support speaker-test well.
new method to test audio:
here are our testing step, hope it will give you some hints.
Update
Kernel: 5.8.0-20-generic
Steps:
1. settings-> Sound -> Output Device
2. Click the Test, then click the audio symbol to check the sound.
CML-S/H, ICL-Y/U:
Legacy/DP/HDMI audio PASS
TGL-H:
Legacy/DP audio PASS
CML-U.V2, TGL-Y/U:
No legacy audio device in "aplay -l"
JSL：
Legacy audio PASS. (No graphic driver)
EHL:
aplay: device_list:274: no soundcards found...(No graphic driver)
** Changed in: intel
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1900792
Title:
Audio doesn't work on Ubuntu 20.10
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