It works! Keyboard keys adjust brightness and I found no obvious issues
otherwise
dmesg attached for reference
On Fri, Mar 13, 2020 at 1:10 PM Kai-Heng Feng <email address hidden>
wrote:
> Can you please test this kernel:
> https://people.canonical.com/~khfeng/lp1860303/
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1860303
>
> Title:
> Backlight brightness cannot be adjusted using keys
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> I cannot adjust the screen brightness using the keyboard keys or
> changing /sys/call/backlight/intel_backlight/brightness values. I've
> only been able to adjust the backlight using xrandr.
>
> Followed bug report on
> https://wiki.ubuntu.com/Kernel/Debugging/Backlight#Diagnostic_Techniques
> and attached files. Additional information:
> 1. echo 8 > /sys/class/backlight/intel_backlight/brightness does not
> change the screen brightness
> 2. video.use_bios_initial_backlight=0 does not enable brightness to be
> changed
> 3. Cannot login to when using kernel paramater acpi_osi=. Login does not
> work and on one boot "y"s were being continuously typed without any keys
> being depressed. It was odd.
> 4. video.use_native_backlight=1 does not enabel brightness to be changed
> 5. Created file /usr/share/X11/xorg.conf.d/80-backlight.conf and it had
> no impact
>
> ProblemType: Bug
> DistroRelease: Ubuntu 19.10
> Package: linux-image-5.3.0-26-generic 5.3.0-26.28
> ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13
> Uname: Linux 5.3.0-26-generic x86_64
> ApportVersion: 2.20.11-0ubuntu8.2
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: jaredy 1649 F.... pulseaudio
> /dev/snd/pcmC0D0p: jaredy 1649 F...m pulseaudio
> CurrentDesktop: ubuntu:GNOME
> Date: Sun Jan 19 19:51:45 2020
> InstallationDate: Installed on 2020-01-03 (16 days ago)
> InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
> MachineType: HP HP Spectre x360 Convertible 13t-aw100
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcFB: 0 i915drmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-26-generic
> root=UUID=5f505587-b59b-4abd-b8f2-28c04ab84c64 ro quiet splash
> acpi_backlight=vendor vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-5.3.0-26-generic N/A
> linux-backports-modules-5.3.0-26-generic N/A
> linux-firmware 1.183.3
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 11/15/2019
> dmi.bios.vendor: AMI
> dmi.bios.version: F.10
> dmi.board.asset.tag: Base Board Asset Tag
> dmi.board.name: 86FA
> dmi.board.vendor: HP
> dmi.board.version: 87.43
> dmi.chassis.type: 31
> dmi.chassis.vendor: HP
> dmi.chassis.version: Chassis Version
> dmi.modalias:
> dmi:bvnAMI:bvrF.10:bd11/15/2019:svnHP:pnHPSpectrex360Convertible13t-aw100:pvr:rvnHP:rn86FA:rvr87.43:cvnHP:ct31:cvrChassisVersion:
> dmi.product.family: 103C_5335KV HP Spectre
> dmi.product.name: HP Spectre x360 Convertible 13t-aw100
> dmi.product.sku: 6YG70AV
> dmi.sys.vendor: HP
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860303/+subscriptions
>
It works! Keyboard keys adjust brightness and I found no obvious issues
otherwise
dmesg attached for reference
On Fri, Mar 13, 2020 at 1:10 PM Kai-Heng Feng <email address hidden>
wrote:
> Can you please test this kernel: /people. canonical. com/~khfeng/ lp1860303/ /bugs.launchpad .net/bugs/ 1860303 backlight/ intel_backlight /brightness values. I've /wiki.ubuntu. com/Kernel/ Debugging/ Backlight# Diagnostic_ Techniques backlight/ intel_backlight /brightness does not bios_initial_ backlight= 0 does not enable brightness to be native_ backlight= 1 does not enabel brightness to be changed X11/xorg. conf.d/ 80-backlight. conf and it had 5.3.0-26- generic 5.3.0-26.28 ature: Ubuntu 5.3.0-26.28-generic 5.3.13 DIR=<set> /boot/vmlinuz- 5.3.0-26- generic 5f505587- b59b-4abd- b8f2-28c04ab84c 64 ro quiet splash vendor vt.handoff=7 ersions: d-modules- 5.3.0-26- generic N/A -modules- 5.3.0-26- generic N/A asset.tag: Base Board Asset Tag version: Chassis Version bvrF.10: bd11/15/ 2019:svnHP: pnHPSpectrex360 Convertible13t- aw100:pvr: rvnHP:rn86FA: rvr87.43: cvnHP:ct31: cvrChassisVersi on: /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1860303/ +subscriptions
> https:/
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> Backlight brightness cannot be adjusted using keys
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> I cannot adjust the screen brightness using the keyboard keys or
> changing /sys/call/
> only been able to adjust the backlight using xrandr.
>
> Followed bug report on
> https:/
> and attached files. Additional information:
> 1. echo 8 > /sys/class/
> change the screen brightness
> 2. video.use_
> changed
> 3. Cannot login to when using kernel paramater acpi_osi=. Login does not
> work and on one boot "y"s were being continuously typed without any keys
> being depressed. It was odd.
> 4. video.use_
> 5. Created file /usr/share/
> no impact
>
> ProblemType: Bug
> DistroRelease: Ubuntu 19.10
> Package: linux-image-
> ProcVersionSign
> Uname: Linux 5.3.0-26-generic x86_64
> ApportVersion: 2.20.11-0ubuntu8.2
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: jaredy 1649 F.... pulseaudio
> /dev/snd/pcmC0D0p: jaredy 1649 F...m pulseaudio
> CurrentDesktop: ubuntu:GNOME
> Date: Sun Jan 19 19:51:45 2020
> InstallationDate: Installed on 2020-01-03 (16 days ago)
> InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
> MachineType: HP HP Spectre x360 Convertible 13t-aw100
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> XDG_RUNTIME_
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcFB: 0 i915drmfb
> ProcKernelCmdLine: BOOT_IMAGE=
> root=UUID=
> acpi_backlight=
> RelatedPackageV
> linux-restricte
> linux-backports
> linux-firmware 1.183.3
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 11/15/2019
> dmi.bios.vendor: AMI
> dmi.bios.version: F.10
> dmi.board.
> dmi.board.name: 86FA
> dmi.board.vendor: HP
> dmi.board.version: 87.43
> dmi.chassis.type: 31
> dmi.chassis.vendor: HP
> dmi.chassis.
> dmi.modalias:
> dmi:bvnAMI:
> dmi.product.family: 103C_5335KV HP Spectre
> dmi.product.name: HP Spectre x360 Convertible 13t-aw100
> dmi.product.sku: 6YG70AV
> dmi.sys.vendor: HP
>
> To manage notifications about this bug go to:
> https:/
>