Comment 11 for bug 1860303

I got it figured out and the kernel at
https://people.canonical.com/~acelan/bugs/lp1861521/ did not fix the
issue.

On Fri, Mar 6, 2020 at 7:48 PM Jared Young <email address hidden> wrote:

> I installed from the .deb files and this did not make a difference for the
> backlight, however the volume keys on the keyboard no longer work.
>
> I am not experienced in testing different kernels so it is possible that I
> messed up the install. I did not apply the .patch files.
>
>
> On Tue, Mar 3, 2020 at 11:50 PM Kai-Heng Feng <email address hidden>
> wrote:
>
>> Can you please test kernel here:
>> https://people.canonical.com/~acelan/bugs/lp1861521/
>>
>> --
>> 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:
>>
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>>
>