I can't use the keyboard lights on Manjaro Gnome

I have a Samsung Notebook (S 51pro 2020) and I am trying to use keyboard lights by pressing Fn + F9, however, nothing happens…How I can fix this problem?

CPU: Intel core i7 8th gen
GPU: Intel UHD 620 + Nvidia GTX 1650 Max-q
Kernel: 5.15

  Kernel: 5.15.7-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
    root=UUID=9c62ec1f-1c77-447e-8330-1f95496492b6 rw quiet splash apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: GNOME 41.2 tk: GTK 3.24.30 wm: gnome-shell dm: GDM 41.0
    Distro: Manjaro Linux base: Arch Linux
  Type: Laptop System: SAMSUNG product: 760XBE v: P04REZ serial: <filter>
    Chassis: type: 10 serial: <filter>
  Mobo: SAMSUNG model: NP760XBE-XW1BR
    v: SGLA409A0C-C01-G002-S0001+10.0.18363 serial: <filter>
    UEFI: American Megatrends v: P04REZ.042.210817.FL date: 08/17/2021
  ID-1: BAT1 charge: 7.3 Wh (22.9%) condition: 31.9/43.1 Wh (74.1%)
    volts: 11.0 min: 11.4 model: SAMSUNG Electronics SR Real Battery
    type: Li-ion serial: <filter> status: Discharging cycles: 632
  RAM: total: 15.52 GiB used: 4.16 GiB (26.8%)
  Array-1: capacity: 32 GiB slots: 2 EC: None max-module-size: 16 GiB
    note: est.
  Device-1: ChannelA-DIMM0 size: 8 GiB speed: 2400 MT/s type: DDR4
    detail: synchronous bus-width: 64 bits total: 64 bits manufacturer: Samsung
    part-no: M471A1K43BB1-CRC serial: N/A
  Device-2: ChannelB-DIMM0 size: 8 GiB speed: spec: 2667 MT/s
    actual: 2400 MT/s type: DDR4 detail: synchronous bus-width: 64 bits
    total: 64 bits manufacturer: 0194 part-no: SF4641G8CK8IEHLSBG
    serial: <filter>
  Info: model: Intel Core i7-8565U socket: BGA1528 (U3E1) note: check bits: 64
    type: MT MCP arch: Comet/Whiskey Lake note: check family: 6
    model-id: 0x8E (142) stepping: 0xC (12) microcode: 0xEA
  Topology: cpus: 1x cores: 4 tpc: 2 threads: 8 smt: enabled cache:
    L1: 256 KiB desc: d-4x32 KiB; i-4x32 KiB L2: 1024 KiB desc: 4x256 KiB
    L3: 8 MiB desc: 1x8 MiB
  Speed (MHz): avg: 843 high: 900 min/max: 400/4600 base/boost: 1683/8300
    scaling: driver: intel_pstate governor: powersave volts: 0.7 V
    ext-clock: 100 MHz cores: 1: 800 2: 800 3: 800 4: 864 5: 900 6: 900 7: 861
    8: 821 bogomips: 32012
  Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat
    arch_capabilities arch_perfmon art avx avx2 bmi1 bmi2 bts clflush clflushopt
    cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64 dtherm dts
    epb ept ept_ad erms est f16c flexpriority flush_l1d fma fpu fsgsbase fxsr
    ht hwp hwp_act_window hwp_epp hwp_notify ibpb ibrs ibrs_enhanced ida
    intel_pt invpcid invpcid_single lahf_lm lm mca mce md_clear mmx monitor
    movbe mpx msr mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm
    pdpe1gb pebs pge pln pni popcnt pse pse36 pts rdrand rdseed rdtscp
    rep_good sdbg sep smap smep ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp
    syscall tm tm2 tpr_shadow tsc tsc_adjust tsc_deadline_timer vme vmx vnmi
    vpid x2apic xgetbv1 xsave xsavec xsaveopt xsaves xtopology xtpr
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: spec_store_bypass
    mitigation: Speculative Store Bypass disabled via prctl and seccomp
  Type: spectre_v1
    mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Enhanced IBRS, IBPB: conditional, RSB filling
  Type: srbds mitigation: TSX disabled
  Type: tsx_async_abort status: Not affected
  Device-1: Intel WhiskeyLake-U GT2 [UHD Graphics 620] vendor: Samsung Co
    driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:3ea0 class-ID: 0300
  Device-2: NVIDIA TU117M [GeForce GTX 1650 Mobile / Max-Q]
    vendor: Samsung Co driver: nvidia v: 495.44 alternate: nouveau,nvidia_drm
    bus-ID: 01:00.0 chip-ID: 10de:1f91 class-ID: 0300
  Device-3: Generic 720p HD Camera type: USB driver: uvcvideo bus-ID: 1-6:4
    chip-ID: 2b7e:0134 class-ID: 0e02 serial: <filter>
  Display: server: X.org compositor: gnome-shell driver:
    loaded: modesetting,nvidia unloaded: nouveau alternate: fbdev,nv,vesa
    resolution: <missing: xdpyinfo>
  OpenGL: renderer: Mesa Intel UHD Graphics 620 (WHL GT2) v: 4.6 Mesa 21.2.5
    direct render: Yes
  Device-1: Intel Cannon Point-LP High Definition Audio vendor: Samsung Co
    driver: snd_hda_intel v: kernel alternate: snd_soc_skl,snd_sof_pci_intel_cnl
    bus-ID: 00:1f.3 chip-ID: 8086:9dc8 class-ID: 0403
  Device-2: NVIDIA vendor: Samsung Co driver: snd_hda_intel v: kernel
    bus-ID: 01:00.1 chip-ID: 10de:10fa class-ID: 0403
  Sound Server-1: ALSA v: k5.15.7-1-MANJARO running: yes
  Sound Server-2: sndio v: N/A running: no
  Sound Server-3: JACK v: 1.9.19 running: no
  Sound Server-4: PulseAudio v: 15.0 running: yes
  Sound Server-5: PipeWire v: 0.3.40 running: no
  Device-1: Intel Cannon Point-LP CNVi [Wireless-AC] driver: iwlwifi v: kernel
    bus-ID: 00:14.3 chip-ID: 8086:9df0 class-ID: 0280
  IF: wlo1 state: up mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: dynamic noprefixroute scope: global
  IP v6: <filter> type: dynamic noprefixroute scope: global
  IP v6: <filter> type: noprefixroute scope: link
  Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: Samsung Co driver: r8169 v: kernel port: 3000 bus-ID: 02:00.0
    chip-ID: 10ec:8168 class-ID: 0200
  IF: enp2s0 state: down mac: <filter>
  WAN IP: <filter>
  Device-1: Intel Bluetooth 9460/9560 Jefferson Peak (JfP) type: USB
    driver: btusb v: 0.8 bus-ID: 1-10:5 chip-ID: 8087:0aaa class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 1 state: down bt-service: enabled,running
    rfk-block: hardware: no software: yes address: see --recommends
  Message: No logical block device data found.
  Message: No RAID data found.
  Local Storage: total: 476.97 GiB used: 595.49 GiB (124.8%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/mmcblk0 maj-min: 179:0 type: USB vendor: Samsung model: EE8QT
    size: 238.5 GiB block-size: physical: 512 B logical: 512 B type: SSD
    serial: <filter> scheme: MBR
  ID-2: /dev/sda maj-min: 8:0 vendor: LITE-ON model: CV8-8E256
    size: 238.47 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 002 scheme: GPT
  Message: No optical or floppy data found.
  ID-1: / raw-size: 103.26 GiB size: 101.08 GiB (97.89%)
    used: 79.15 GiB (78.3%) fs: ext4 block-size: 4096 B dev: /dev/sda8
    maj-min: 8:8 label: / uuid: 9c62ec1f-1c77-447e-8330-1f95496492b6
  ID-2: /boot/efi raw-size: 261 MiB size: 260.4 MiB (99.80%)
    used: 2 MiB (0.8%) fs: vfat block-size: 512 B dev: /dev/sda7 maj-min: 8:7
    label: N/A uuid: EF52-90CA
  ID-3: /run/media/felipe/Video 12345 raw-size: 238.47 GiB
    size: 238.47 GiB (100.00%) used: 152.43 GiB (63.9%) fs: exfat
    block-size: 4096 B dev: /dev/mmcblk0p1 maj-min: 179:1 label: Video 12345
    uuid: N/A
  ID-4: /run/timeshift/backup raw-size: N/A size: 915.89 GiB
    used: 363.91 GiB (39.7%) fs: ext4 dev: /dev/sdb1 label: N/A uuid: N/A
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
  ID-1: swap-1 type: partition size: 3 GiB used: 1.2 MiB (0.0%) priority: -2
    dev: /dev/sda9 maj-min: 8:9 label: N/A
    uuid: 3f4a6a65-52a8-4bff-bfd5-e4fa0bf3d497
  ID-1: /dev/sda1 maj-min: 8:1 size: 16 MiB fs: N/A label: N/A uuid: N/A
  ID-2: /dev/sda2 maj-min: 8:2 size: 115.35 GiB fs: ntfs label: N/A
    uuid: 76FCBF37FCBEF08B
  ID-3: /dev/sda3 maj-min: 8:3 size: 260 MiB fs: vfat label: SYSTEM
    uuid: 0CB5-049B
  ID-4: /dev/sda4 maj-min: 8:4 size: 850 MiB fs: ntfs label: N/A
    uuid: 4686B50B86B4FC8D
  ID-5: /dev/sda5 maj-min: 8:5 size: 14.51 GiB fs: ntfs label: SAMSUNG_REC2
    uuid: 2A4814A348147035
  ID-6: /dev/sda6 maj-min: 8:6 size: 1024 MiB fs: vfat label: SAMSUNG_REC
    uuid: 08C2-DD09
  Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 12 rev: 2.0
    speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
  Device-1: 1-4:2 info: Realtek RTS5129 Card Reader Controller
    type: <vendor specific> driver: rtsx_usb,rtsx_usb_ms,rtsx_usb_sdmmc
    interfaces: 1 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 0bda:0129
    class-ID: ff00 serial: <filter>
  Device-2: 1-5:3 info: Samsung Fingerprint Device type: <vendor specific>
    driver: N/A interfaces: 1 rev: 2.0 speed: 12 Mb/s power: 500mA
    chip-ID: 04e8:730a class-ID: 0000
  Device-3: 1-6:4 info: Generic 720p HD Camera type: Video driver: uvcvideo
    interfaces: 2 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 2b7e:0134
    class-ID: 0e02 serial: <filter>
  Device-4: 1-10:5 info: Intel Bluetooth 9460/9560 Jefferson Peak (JfP)
    type: Bluetooth driver: btusb interfaces: 2 rev: 2.0 speed: 12 Mb/s
    power: 100mA chip-ID: 8087:0aaa class-ID: e001
  Hub-2: 2-0:1 info: Super-speed hub ports: 6 rev: 3.1 speed: 10 Gb/s
    chip-ID: 1d6b:0003 class-ID: 0900
  System Temperatures: cpu: 39.0 C pch: 36.0 C mobo: 39.0 C
  Fan Speeds (RPM): N/A
  Processes: 328 Uptime: 3h 43m wakeups: 4 Init: systemd v: 249
  tool: systemctl Compilers: gcc: 11.1.0 Packages: 1798 pacman: 1760 lib: 451
  flatpak: 28 snap: 10 Shell: Zsh (sudo) v: 5.8 default: Bash v: 5.1.12
  running-in: gnome-terminal inxi: 3.3.11```

Hi and welcome to the forum :wave:

A quick search for the specific device does not turn up any quick fixes. Could you edit your post with some more info about the specific hardware so users can see and perhaps point to solutions? See the post below how to provide this info and edit your original post.