24.04 : Alsa : Missing 5.1 outputs

[Lionel]

alsa-driver or alsa-topology, 5.1 digital surround IEC958 are not available, they were on 23.10.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 30 13:03:05 2024
InstallationDate: Installed on 2024-02-09 (81 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
MachineType: Micro-Star International Co., Ltd. Summit E13FlipEvo A13MT
PackageArchitecture: all
ProcEnviron:
 LANG=fr_FR.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
SourcePackage: alsa-driver
UpgradeStatus: Upgraded to noble on 2024-04-25 (5 days ago)
dmi.bios.date: 03/29/2023
dmi.bios.release: 5.7
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: E13P3IMS.507
dmi.board.asset.tag: Default string
dmi.board.name: MS-13P3
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrE13P3IMS.507:bd03/29/2023:br5.7:svnMicro-StarInternationalCo.,Ltd.:pnSummitE13FlipEvoA13MT:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-13P3:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:sku13P3.5:
dmi.product.family: Summit
dmi.product.name: Summit E13FlipEvo A13MT
dmi.product.sku: 13P3.5
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2024-02-14T13:52:12.489815

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.