I don't have sound in my Asus fx505gt with realtek audio card

HI everybody.
I’m new to linux and I just installed manjaro alongside windows 10 in my Asus FX505gt with realtek audio card but I don’t have sound at all.

Tl;dr - Provide output of inxi -Fazy and make sure you disable fast boot, secure boot, whatever boot.

System:
  Kernel: 5.15.2-2-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
  parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
  root=UUID=7cb274d1-5c6e-4161-b599-d663892993b8 rw quiet udev.log_priority=3
  Desktop: GNOME 41.1 tk: GTK 3.24.30 wm: gnome-shell dm: GDM 41.0
  Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: ASUSTeK product: TUF Gaming FX505GT_FX505GT v: 1.0
  serial: <filter>
  Mobo: ASUSTeK model: FX505GT v: 1.0 serial: <filter>
  UEFI: American Megatrends v: FX505GT.309 date: 11/06/2020
Battery:
  ID-1: BAT0 charge: 44.6 Wh (100.0%) condition: 44.6/48.1 Wh (92.7%)
  volts: 12.7 min: 11.7 model: Simplo SDI ICR18650 type: Li-ion
  serial: <filter> status: Full cycles: 41
CPU:
  Info: Quad Core model: Intel Core i5-9300H bits: 64 type: MT MCP
  arch: Kaby Lake note: check family: 6 model-id: 9E (158) stepping: A (10)
  microcode: EA cache: L2: 8 MiB
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  bogomips: 38408
  Speed: 899 MHz min/max: 800/4100 MHz Core speeds (MHz): 1: 899 2: 900 3: 900
  4: 900 5: 900 6: 900 7: 900 8: 900
  Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf
  mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  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: Full generic retpoline, IBPB: conditional,
  IBRS_FW, STIBP: conditional, RSB filling
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel CoffeeLake-H GT2 [UHD Graphics 630] vendor: ASUSTeK
  driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:3e9b class-ID: 0300
  Device-2: NVIDIA TU117M [GeForce GTX 1650 Mobile / Max-Q] vendor: ASUSTeK
  driver: nvidia v: 495.44 alternate: nouveau,nvidia_drm bus-ID: 01:00.0
  chip-ID: 10de:1f91 class-ID: 0300
  Device-3: IMC Networks USB2.0 HD UVC WebCam type: USB driver: uvcvideo
  bus-ID: 1-11:3 chip-ID: 13d3:56a2 class-ID: 0e02 serial: <filter>
  Display: wayland server: X.org 1.21.1.1 compositor: gnome-shell driver:
  loaded: nvidia note: n/a (using device driver) - try sudo/root display-ID: 0
  resolution: <missing: xdpyinfo>
  OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa 21.2.5
  direct render: Yes
Audio:
  Device-1: Intel Cannon Lake PCH cAVS vendor: ASUSTeK
  driver: sof-audio-pci-intel-cnl
  alternate: snd_hda_intel,snd_soc_skl,snd_sof_pci_intel_cnl bus-ID: 00:1f.3
  chip-ID: 8086:a348 class-ID: 0403
  Device-2: NVIDIA vendor: ASUSTeK driver: snd_hda_intel v: kernel
  bus-ID: 01:00.1 chip-ID: 10de:10fa class-ID: 0403
  Sound Server-1: ALSA v: k5.15.2-2-MANJARO running: yes
  Sound Server-2: JACK v: 1.9.19 running: no
  Sound Server-3: PulseAudio v: 15.0 running: yes
  Sound Server-4: PipeWire v: 0.3.40 running: yes
Network:
  Device-1: Intel Cannon Lake PCH CNVi WiFi driver: iwlwifi v: kernel
  bus-ID: 00:14.3 chip-ID: 8086:a370 class-ID: 0280
  IF: wlo1 state: up mac: <filter>
  Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
  vendor: ASUSTeK driver: r8169 v: kernel port: 3000 bus-ID: 03:00.0
  chip-ID: 10ec:8168 class-ID: 0200
  IF: enp3s0 state: down mac: <filter>
Bluetooth:
  Device-1: Intel Bluetooth 9460/9560 Jefferson Peak (JfP) type: USB
  driver: btusb v: 0.8 bus-ID: 1-14:4 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
Drives:
  Local Storage: total: 476.94 GiB used: 10.66 GiB (2.2%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Micron model: 2200V MTFDHBA512TCK
  size: 476.94 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
  lanes: 4 type: SSD serial: <filter> rev: P1MA0V4 temp: 35.9 C scheme: GPT
Partition:
  ID-1: / raw-size: 53.71 GiB size: 52.57 GiB (97.87%) used: 10.66 GiB (20.3%)
  fs: ext4 dev: /dev/nvme0n1p5 maj-min: 259:5
Swap:
  Alert: No swap data was found.
Sensors:
  System Temperatures: cpu: 50.0 C mobo: 27.8 C
  Fan Speeds (RPM): cpu: 2700
Info:
  Processes: 283 Uptime: 1h 21m wakeups: 1 Memory: 7.62 GiB
  used: 2.18 GiB (28.7%) Init: systemd v: 249 tool: systemctl Compilers:
  gcc: N/A Packages: 1140 pacman: 1129 lib: 294 flatpak: 0 snap: 11 Shell: Zsh
  v: 5.8 running-in: gnome-terminal inxi: 3.3.08

It’s the full output and I’ve disabled Fast boot and Secure boot.

My problem fixed with installing sof-fromware by this command:

sudo pacman -S sof-firmware

Thanks to @ishaanbhimwal and hopeseekr on this Link.

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