Hello! I recently updated my Manjaro distribution. I have a dual monitor set up with my Dell XPS 13 and an LG ULTRAWIDE monitor. I noticed that the brightness does not change when using my laptop’s brightness control. Following is the output for inxi -Fxxz:
System: Kernel: 5.9.1-1-rt19-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0 Desktop: KDE Plasma 5.21.4 tk: Qt 5.15.2
wm: kwin_x11 dm: SDDM Distro: Manjaro Linux base: Arch Linux
Machine: Type: Laptop System: Dell product: XPS 13 9370 v: N/A serial: <filter> Chassis: type: 10 serial: <filter>
Mobo: Dell model: 0F6P3V v: A00 serial: <filter> UEFI: Dell v: 1.13.1 date: 07/08/2020
Battery: ID-1: BAT0 charge: 29.2 Wh (68.9%) condition: 42.4/52.0 Wh (81.5%) volts: 8.0 min: 7.6
model: LGC-LGC6.73 DELL H754V83 serial: <filter> status: Discharging
CPU: Info: Quad Core model: Intel Core i7-8550U bits: 64 type: MT MCP arch: Kaby Lake note: check rev: A cache:
L2: 8 MiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 32012
Speed: 1799 MHz min/max: 400/1800 MHz Core speeds (MHz): 1: 1799 2: 1800 3: 1800 4: 1799 5: 1798 6: 1799 7: 1799
8: 1799
Graphics: Device-1: Intel UHD Graphics 620 vendor: Dell driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:5917
Device-2: Realtek Integrated_Webcam_HD type: USB driver: uvcvideo bus-ID: 1-5:2 chip-ID: 0bda:58f4
Display: x11 server: X.Org 1.20.10 compositor: kwin_x11 driver: loaded: intel unloaded: modesetting
alternate: fbdev,vesa resolution: 1: 1920x1080~60Hz 2: 2560x1080 s-dpi: 96
OpenGL: renderer: Mesa Intel UHD Graphics 620 (KBL GT2) v: 4.6 Mesa 21.0.1 direct render: Yes
Audio: Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell driver: snd_hda_intel v: kernel bus-ID: 00:1f.3
chip-ID: 8086:9d71
Sound Server-1: ALSA v: k5.9.1-1-rt19-MANJARO running: yes
Sound Server-2: JACK v: 0.125.0 running: no
Sound Server-3: PulseAudio v: 14.2 running: yes
Sound Server-4: PipeWire v: 0.3.25 running: no
Network: Device-1: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter vendor: Rivet Networks Killer 1435 Wireless-AC
driver: ath10k_pci v: kernel port: f040 bus-ID: 02:00.0 chip-ID: 168c:003e
IF: wlp2s0 state: up mac: <filter>
Bluetooth: Device-1: Foxconn / Hon Hai type: USB driver: btusb v: 0.8 bus-ID: 1-7:3 chip-ID: 0489:e0a2
Report: bt-adapter ID: hci0 rfk-id: 0 state: up address: <filter>
Drives: Local Storage: total: 476.94 GiB used: 132.28 GiB (27.7%)
ID-1: /dev/nvme0n1 vendor: Toshiba model: KXG50ZNV512G NVMe 512GB size: 476.94 GiB speed: 31.6 Gb/s lanes: 4
serial: <filter> temp: 46.9 C
Partition: ID-1: / size: 230.41 GiB used: 132.12 GiB (57.3%) fs: ext4 dev: /dev/nvme0n1p8
ID-2: /boot/efi size: 499 MiB used: 104.5 MiB (20.9%) fs: vfat dev: /dev/nvme0n1p1
Swap: ID-1: swap-1 type: partition size: 14.9 GiB used: 54.2 MiB (0.4%) priority: -2 dev: /dev/nvme0n1p7
Sensors: System Temperatures: cpu: 73.0 C mobo: 42.0 C sodimm: SODIMM C
Fan Speeds (RPM): cpu: 4692
Info: Processes: 412 Uptime: 20h 30m Memory: 15.36 GiB used: 9.65 GiB (62.8%) Init: systemd v: 247 Compilers: gcc: 10.2.0
clang: 11.1.0 Packages: pacman: 1599 Shell: Zsh v: 5.8 running-in: yakuake inxi: 3.3.04
my grub configurations are:
GRUB_DEFAULT=saved
GRUB_TIMEOUT=10
GRUB_TIMEOUT_STYLE=menu
GRUB_DISTRIBUTOR="Manjaro"
GRUB_CMDLINE_LINUX_DEFAULT="quiet apparmor=1 security=apparmor udev.log_priority=3"
GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor"
# If you want to enable the save default function, uncomment the following
# line, and set GRUB_DEFAULT to saved.
GRUB_SAVEDEFAULT=true
# Preload both GPT and MBR modules so that they are not missed
GRUB_PRELOAD_MODULES="part_gpt part_msdos"
# Uncomment to enable booting from LUKS encrypted devices
#GRUB_ENABLE_CRYPTODISK=y
# Uncomment to use basic console
GRUB_TERMINAL_INPUT=console
# Uncomment to disable graphical terminal
#GRUB_TERMINAL_OUTPUT=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command 'videoinfo'
GRUB_GFXMODE=auto
# Uncomment to allow the kernel use the same resolution used by grub
GRUB_GFXPAYLOAD_LINUX=keep
# Uncomment if you want GRUB to pass to the Linux kernel the old parameter
# format "root=/dev/xxx" instead of "root=/dev/disk/by-uuid/xxx"
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
GRUB_DISABLE_RECOVERY=true
# Uncomment and set to the desired menu colors. Used by normal and wallpaper
# modes only. Entries specified as foreground/background.
GRUB_COLOR_NORMAL="light-gray/black"
GRUB_COLOR_HIGHLIGHT="green/black"
# Uncomment one of them for the gfx desired, a image background or a gfxtheme
#GRUB_BACKGROUND="/usr/share/grub/background.png"
GRUB_THEME="/usr/share/grub/themes/manjaro/theme.txt"
# Uncomment to get a beep at GRUB start
#GRUB_INIT_TUNE="480 440 1"
# Uncomment this option to enable os-prober execution in the grub-mkconfig command
GRUB_DISABLE_OS_PROBER=false
Please let me know if there’s anymore informatrion needed! Thank you!
