Public bug reported:
https://askubuntu.com/questions/1514988/backlight-brightness-not-
working-in-ubuntu-23-10-24-04-on-dell-7700-aio
Ubuntu 23.10/24.04
Dell Inspiron 7700 AIO
6.5.0-35-generic/6.8.0-31-generic
X11
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04 LTS
Release: 24.04
dell_uart_backlight isn't in the 24.04 distribution, so Dell AIO display
backlights can't be adjusted. (dell_uart_backlight is in the 23.10
distribution, but backlight control doesn't work properly there either).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: 24.04
** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/bugs/2067497/+attachment/5783996/+files/lspci-vnvn.log
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https://bugs.launchpad.net/bugs/2067497
Title:
Can't control display backlight in 24.04 on Dell AIO system
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