That describes a work around: https://wiki.archlinux.org/index.php/HP_Spectre_x360_13-4231ng#Brightness_/_backlight
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1872327 Title: OLED brightness control on Intel Iris Plus Graphics G7 on 20.4 beta Status in xorg package in Ubuntu: New Bug description: Hi I'm testing kubuntu 20.4 with my HP spectre x360 13 aw0720nz. The hotkeys to adjust the OLED brightness do not work. Adjusting the display brightness editing the file brightness in /sys/class/backlight/intel_backlight doesn't work either. At /etc/default/grub I already added "acpi_backlight=vendor" I found an article, that fits to the topic: http://reddit.com/r/linux/comments/cmf0vi/the_state_of_oled_brightness_on_linux Regards Daniel ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu26 Architecture: amd64 CasperMD5CheckResult: skip CompositorRunning: None Date: Sun Apr 12 18:42:36 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: No GraphicsCard: Intel Corporation Iris Plus Graphics G7 [8086:8a52] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Iris Plus Graphics G7 [103c:86fa] InstallationDate: Installed on 2020-04-03 (8 days ago) InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200401) MachineType: HP HP Spectre x360 Convertible 13-aw0xxx ProcEnviron: LANGUAGE=de_CH:de TERM=xterm-256color PATH=(custom, no user) LANG=de_CH.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=UUID=61d60ac7-8b29-4729-a6a0-e3b0300dba97 ro rootflags=subvol=@ quiet splash acpi_backlight=vendor vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/02/2020 dmi.bios.vendor: AMI dmi.bios.version: F.13 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FA dmi.board.vendor: HP dmi.board.version: 87.46 dmi.chassis.type: 31 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAMI:bvrF.13:bd03/02/2020:svnHP:pnHPSpectrex360Convertible13-aw0xxx:pvr:rvnHP:rn86FA:rvr87.46:cvnHP:ct31:cvrChassisVersion: dmi.product.family: 103C_5335KV HP Spectre dmi.product.name: HP Spectre x360 Convertible 13-aw0xxx dmi.product.sku: 8KZ06EA#UUZ dmi.sys.vendor: HP version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-1 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20190815-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1872327/+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
