Public bug reported:

Device: ASUS ROG Strix G16 2025 G615LM
Kernel: 7.0.0-15-generic
Ubuntu: 26.04 LTS
Audio chip: Intel 800 Series ACE + Realtek ALC294
Subsystem ID: 0x10431214

Issue: Internal speakers produce no sound.
Bluetooth and wired headphones work fine.
Front channel in alsamixer is stuck at 0 and cannot be raised.

dmesg shows:
snd_hda_codec_alc269 hdaudioC1D0: ALC294: picked fixup for PCI SSID 1043:1214

No cs35l41/CSC3551 errors in dmesg.
The subsystem ID 0x10431214 does not appear in any existing 
kernel quirks list for ALC294.

ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-15-generic 7.0.0-15.15
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  siddarth-javvadi   5686 F.... wireplumber
 /dev/snd/controlC0:  siddarth-javvadi   5686 F.... wireplumber
 /dev/snd/seq:        siddarth-javvadi   5666 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu May 14 17:06:26 2026
InstallationDate: Installed on 2026-05-13 (1 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
MachineType: ASUSTeK COMPUTER INC. ROG Strix G16 G615LM_G615LM
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-15-generic 
root=UUID=bef6d132-09f3-454f-a5c7-37aea7f11dc4 ro quiet splash 
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/23/2026
dmi.bios.release: 5.32
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: G615LM.333
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: G615LM
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.ec.firmware.release: 3.8
dmi.modalias: 
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrG615LM.333:bd01/23/2026:br5.32:efr3.8:svnASUSTeKCOMPUTERINC.:pnROGStrixG16G615LM_G615LM:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG615LM:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku:pfaROGStrixG16:
dmi.product.family: ROG Strix G16
dmi.product.name: ROG Strix G16 G615LM_G615LM
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug resolute wayland-session

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https://bugs.launchpad.net/bugs/2152615

Title:
  No speaker output on ASUS ROG Strix G16 G615LM - ALC294 subsystem
  0x10431214

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