Brightness conrol

[Iván Gómez Martín]

The brightness control is not working since last update

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: xorg 1:7.7+19ubuntu12
ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
Uname: Linux 5.3.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Dec 28 10:14:13 2019
DistUpgraded: 2019-10-22 22:53:56,942 DEBUG inhibit gnome-session idle
DistroCodename: eoan
DistroVariant: ubuntu
DkmsStatus:
 nvidia, 390.129, 5.0.0-32-generic, x86_64: installed
 nvidia, 390.129, 5.3.0-24-generic, x86_64: installed
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
 Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. HD Graphics 630 [1043:1bc0]
   Subsystem: ASUSTeK Computer Inc. GP107M [GeForce GTX 1050 Mobile] [1043:1bc0]
InstallationDate: Installed on 2019-01-28 (334 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
MachineType: ASUSTeK COMPUTER INC. GL703VD
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-24-generic root=UUID=eba46c54-e23c-4792-ac66-515a492a45d9 ro quiet splash acpi_backlight=vendor vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to eoan on 2019-10-23 (66 days ago)
dmi.bios.date: 03/14/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: GL703VD.307
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: GL703VD
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrGL703VD.307:bd03/14/2018:svnASUSTeKCOMPUTERINC.:pnGL703VD:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnGL703VD:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: ROG
dmi.product.name: GL703VD
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.99-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.1-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.5+git20191008-0ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1ubuntu1
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