This bug affects me too.
Linux laptop 5.4.0-66-generic #74-Ubuntu SMP Wed Jan 27 22:54:38 UTC 2021
x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 20.04.2 LTS
I think this bug may (at least in some cases) be related to this here question:
https://askubuntu.com/questions/1234807/no-sound-after-sleep-ubuntu
Same problem here even with
4.2.0-22-generic
When connecting the monitor to the DP of the Laptop everything works fine.
When connecting the monitor to the DP docking station it is not recognized
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Still the same problem on toshiba satellite t115d with ubuntu 11.04 and
kernel 2.6.38-8- (fresh install)
headphones don't work but internal mic works if mic F selected on
alsamixer
adding snd-hda-intel model="olpc-xo-1_5" makes headphones and external
mic work, but no internal mic anymore
01:0
Still doesn't work on Toshiba Satellite T115D-S1125 with ubuntu 10.10 /
2.6.35-23 with or without the above fix Headphones are ok, but no
internal mic.
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[Conexant CX20582 (Pebble)] Playback problem - sound from speakers when
headphones plugged in, or both in headphones and speakers
https://bug
Still the same problem on toshiba satellite t115d with ubuntu 10.10 and kernel
-2.6.35-23 with or without the fix
snd-hda-intel model="olpc-xo-1_5"
headphones are ok,but the int or ext mic are not working
can-t see any mic options on alsa mixer
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0x1179ffe0 needs olpc-xo-1_5 model quirk for hp