(In reply to admin from comment #756)
> On my Legion Slim 7 Gen 7 16ARHA7 Same issue on Debian 12 Testing on Kernel
> 6.1.0-7
> if this is a kernel issue, i hope it gets fixed soon and the distro
> maintainers can patch this sooner rather than later. Heres my audio info
> dump:
> 
> 
> root@Lavavex-Legion:~# aplay --list-devices
> **** List of PLAYBACK Hardware Devices ****
> card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: HDMI [HDA ATI HDMI], device 7: HDMI 1 [HDMI 1]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 2: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 3: Generic_1 [HD-Audio Generic], device 0: ALC287 Analog [ALC287 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> 
> root@Lavavex-Legion:~# ls /dev/snd -al
> total 0
> drwxr-xr-x   3 root root      360 Apr 10 22:23 .
> drwxr-xr-x  19 root root     3800 Apr 10 22:23 ..
> drwxr-xr-x   2 root root      120 Apr 10 22:23 by-path
> crw-rw----+  1 root audio 116,  3 Apr 10 22:23 controlC0
> crw-rw----+  1 root audio 116,  9 Apr 10 22:23 controlC1
> crw-rw----+  1 root audio 116, 10 Apr 10 22:23 controlC2
> crw-rw----+  1 root audio 116, 14 Apr 10 22:23 controlC3
> crw-rw----+  1 root audio 116,  6 Apr 10 22:23 hwC1D0
> crw-rw----+  1 root audio 116,  8 Apr 10 22:23 hwC2D0
> crw-rw----+  1 root audio 116, 13 Apr 10 22:23 hwC3D0
> crw-rw----+  1 root audio 116,  2 Apr 10 22:23 pcmC0D0c
> crw-rw----+  1 root audio 116,  4 Apr 10 22:23 pcmC1D3p
> crw-rw----+  1 root audio 116,  5 Apr 10 22:23 pcmC1D7p
> crw-rw----+  1 root audio 116,  7 Apr 10 22:23 pcmC2D3p
> crw-rw----+  1 root audio 116, 12 Apr 10 22:23 pcmC3D0c
> crw-rw----+  1 root audio 116, 11 Apr 10 22:31 pcmC3D0p
> crw-rw----+  1 root audio 116,  1 Apr 10 22:23 seq
> crw-rw----+  1 root audio 116, 33 Apr 10 22:23 timer
> 
> root@Lavavex-Legion:~# cat /proc/asound/pcm
> 00-00: DMIC capture dmic-hifi-0 :  : capture 1
> 01-03: HDMI 0 : HDMI 0 : playback 1
> 01-07: HDMI 1 : HDMI 1 : playback 1
> 02-03: HDMI 0 : HDMI 0 : playback 1
> 03-00: ALC287 Analog : ALC287 Analog : playback 1 : capture 1
> 
> root@Lavavex-Legion:~# cat /proc/asound/cards
>  0 [acp6x          ]: acp6x - acp6x
>                       LENOVO-82UG-LegionS716ARHA7-LNVNB161216
>  1 [HDMI           ]: HDA-Intel - HDA ATI HDMI
>                       HDA ATI HDMI at 0xc0b00000 irq 79
>  2 [Generic        ]: HDA-Intel - HD-Audio Generic
>                       HD-Audio Generic at 0xc06c8000 irq 80
>  3 [Generic_1      ]: HDA-Intel - HD-Audio Generic
>                       HD-Audio Generic at 0xc06c0000 irq 81

I have the same laptop model (Legion Slim 7 Gen 7 16ARHA7) and I have
the same issue and audio info dump, posting a reply to let the world
know I have the same issue.

It's a really great laptop that works amazing with the newer kernels,
except for this one thing! Sound even works when connected to 3.5mm or a
USB sound device. It's just the built-in speakers.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1958019

Title:
  [Lenovo Legion7 16ACHg6 82N6, Realtek ALC287, Speaker, Internal] No
  sound at all

Status in sound-2.6 (alsa-kernel):
  Confirmed
Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  On my Lenovo Legion-7-16ACHg6 laptop I can't hear any sound by
  internal speakers, but it work by headphones connected to standard
  jack aux.

  uname -r
  5.11.0-44-generic

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 5.11.0-44.48~20.04.2-generic 5.11.22
  Uname: Linux 5.11.0-44-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  i3draven   1266 F.... pulseaudio
   /dev/snd/controlC0:  i3draven   1266 F.... pulseaudio
   /dev/snd/controlC1:  i3draven   1266 F.... pulseaudio
   /dev/snd/pcmC1D0p:   i3draven   1266 F...m pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Jan 15 15:10:53 2022
  InstallationDate: Installed on 2021-10-11 (96 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed
  Symptom_Card: Family 17h (Models 10h-1fh) HD Audio Controller - HD-Audio 
Generic
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  i3draven   1266 F.... pulseaudio
   /dev/snd/controlC0:  i3draven   1266 F.... pulseaudio
   /dev/snd/controlC1:  i3draven   1266 F.... pulseaudio
   /dev/snd/pcmC1D0p:   i3draven   1266 F...m pulseaudio
  Symptom_Jack: Speaker, Internal
  Symptom_Type: No sound at all
  Title: [82N6, Realtek ALC287, Speaker, Internal] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/08/2021
  dmi.bios.release: 1.49
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GKCN49WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0R32862 WIN
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Legion 7 16ACHg6
  dmi.ec.firmware.release: 1.49
  dmi.modalias: 
dmi:bvnLENOVO:bvrGKCN49WW:bd11/08/2021:br1.49:efr1.49:svnLENOVO:pn82N6:pvrLegion716ACHg6:skuLENOVO_MT_82N6_BU_idea_FM_Legion716ACHg6:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrLegion716ACHg6:
  dmi.product.family: Legion 7 16ACHg6
  dmi.product.name: 82N6
  dmi.product.sku: LENOVO_MT_82N6_BU_idea_FM_Legion 7 16ACHg6
  dmi.product.version: Legion 7 16ACHg6
  dmi.sys.vendor: LENOVO

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