[solved] LM 20.1 - No audio with LENOVO IdeaPad Flex 5

[raccoss]

I opened a new topic after they adviced me to do so.

I installed Mint on my new laptop that is a LENOVO IdeaPad Flex 5

This is my config:

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OS: LM 20.1
Cinnamon ver. 4.8.6
Kernel: 5.4.0-70-generiv

Here's the output of Inxi

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System:    Kernel: 5.4.0-70-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.8.6 wm: muffin 4.8.1 
           dm: LightDM 1.30.0 Distro: Linux Mint 20.1 Ulyssa base: Ubuntu 20.04 focal 
Machine:   Type: Convertible System: LENOVO product: 82HS v: IdeaPad Flex 5 14ITL05 serial: <filter> Chassis: type: 31 
           v: IdeaPad Flex 5 14ITL05 serial: <filter> 
           Mobo: LENOVO model: LNVNB161216 v: SDK0J40700 WIN serial: <filter> UEFI: LENOVO v: FXCN21WW date: 12/04/2020 
Battery:   ID-1: BAT0 charge: 52.2 Wh condition: 52.5/52.5 Wh (100%) volts: 13.0/11.5 model: Celxpert L19C3PD6 type: Li-poly 
           serial: <filter> status: Unknown cycles: 1 
           Device-1: hidpp_battery_0 model: Logitech M585/M590 Multi-Device Mouse serial: <filter> 
           charge: 55% (should be ignored) rechargeable: yes status: Discharging 
CPU:       Topology: Quad Core model: 11th Gen Intel Core i5-1135G7 bits: 64 type: MT MCP arch: Tiger Lake rev: 1 
           L2 cache: 8192 KiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 38707 
           Speed: 1134 MHz min/max: 400/4200 MHz Core speeds (MHz): 1: 1124 2: 1320 3: 1301 4: 1298 5: 1279 6: 1314 7: 1332 
           8: 1344 
Graphics:  Device-1: Intel vendor: Lenovo driver: N/A bus ID: 00:02.0 chip ID: 8086:9a49 
           Display: x11 server: X.Org 1.20.9 driver: fbdev unloaded: modesetting,vesa resolution: 1920x1080~77Hz 
           OpenGL: renderer: llvmpipe (LLVM 11.0.0 256 bits) v: 4.5 Mesa 20.2.6 compat-v: 3.1 direct render: Yes 
Audio:     Device-1: Intel vendor: Lenovo driver: sof-audio-pci bus ID: 00:1f.3 chip ID: 8086:a0c8 
           Sound Server: ALSA v: k5.4.0-70-generic 
Network:   Device-1: Intel driver: iwlwifi v: kernel port: 3000 bus ID: 00:14.3 chip ID: 8086:a0f0 
           IF: wlp0s20f3 state: up mac: <filter> 
Drives:    Local Storage: total: 476.94 GiB used: 14.52 GiB (3.0%) 
           ID-1: /dev/nvme0n1 vendor: Samsung model: MZALQ512HALU-000L2 size: 476.94 GiB speed: 31.6 Gb/s lanes: 4 
           serial: <filter> rev: AL2QFXV7 scheme: GPT 
Partition: ID-1: / size: 54.75 GiB used: 13.95 GiB (25.5%) fs: ext4 dev: /dev/nvme0n1p5 
           ID-2: /home size: 309.62 GiB used: 555.3 MiB (0.2%) fs: ext4 dev: /dev/nvme0n1p7 
           ID-3: swap-1 size: 7.45 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/nvme0n1p6 
Sensors:   System Temperatures: cpu: 42.0 C mobo: 42.0 C 
           Fan Speeds (RPM): N/A 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
           1: deb http://packages.linuxmint.com ulyssa main upstream import backport #id:linuxmint_main
           2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
           3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
           4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
           5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
           6: deb http://archive.canonical.com/ubuntu/ focal partner
Info:      Processes: 246 Uptime: 1h 16m Memory: 7.34 GiB used: 2.39 GiB (32.5%) Init: systemd v: 245 runlevel: 5 Compilers: 
           gcc: 9.3.0 alt: 9 Shell: bash v: 5.0.17 running in: gnome-terminal inxi: 3.0.38 

And this is the link in the output of the command suggested by MrEen

https://termbin.com/dn1u

Edit: With Bluetooth speakers, it works. But I think that's not strange.

[MrEen]

Hi raccoss,

Based on the very end of the big output, I think you need the 5.8 kernel. Update Manager > View > Linux kernels. I believe that will get rid of the errors that are causing your issue.

[raccoss]

As simple as effective.

Installing Kernel 5.8 it also solved a problem with graphic acceleration that would have been my next thread of this forum.

Thank you,

[MrEen]

You're quite welcome.

I'm glad it was that easy to fix.