I installed linux-oem-20.04 and also turned on focal-proposed updates and did apt-get update && apt-get upgrade.
Though -- this was only enough to get it to recognize the speaker. The pitch/video speed is still wrong, so it's not really quite usable. I should correct something I said earlier: video playback is just too fast across the board, e.g. on Youtube it's playing at maybe double the speed and the pitch is high. However, even when I slow the playback speed down to normal (by selecting 0.5x speed) the pitch is *still* too high. I suspect the wrong driver is being used for the sound card. It is still detecting "00:1f.3 Multimedia audio controller: Intel Corporation Device 02c8" instead of the Realtek card. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1895422 Title: Sound card not detected on Dell Latitude 9510 (Realtek ALC711) Status in alsa-driver package in Ubuntu: Confirmed Bug description: I am running Ubuntu 20.04.01 LTS, kernel version 5.6.0-1027-oem (checked via uname -r). I believe my sound card is not being detected by Ubuntu. I checked the serial number and via BIOS (which I've upgraded to the latest version) according to the specs (https://topics-cdn.dell.com/pdf/latitude-15-9510-2-in-1-laptop_owners-manual5_en-us.pdf) the sound controller/speaker should be Realtek ALC711-CG / Realtek ALC1309D. However, when I run lspci only the following device appears: 00:1f.3 Multimedia audio controller [0401]: Intel Corporation Device [8086:02c8] In alsamixer, only the HDMI port appears. alsa-info output: http://alsa- project.org/db/?f=f2b70f6eb1a237378bf563cacb6f192ce0a677c3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1895422/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp