This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: chaotic
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https://bugs.launchpad.net/bugs/1767504
Title:
Dell XPS 15 9560 - No brightness control
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hello,
I have the problem that I cannot control the screen brightness on my
XPS 15 9560 notebook.
/sys/class/backlight is empty. I'm running latest Dell BIOS firmware
1.9.4. I tried all kinds of kernel parameters, such as acpi_osi and
acpi_backlight, but without any effect. I'm running with Intel
graphics card in UEFI mode.
kern.log attached.
root@eris:/etc/default# uname -a
Linux eris 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
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