Bonsoir, merci beaucoup de votre réponse.
trolettigillot@CHM-407N-ZTG2:~$ lspci -v |awk ‹ /[aA]udio/ › RS=
0000:00:1f.3 Multimedia audio controller: Intel Corporation Meteor Lake-P HD Audio Controller (rev 20)
Subsystem: Dell Meteor Lake-P HD Audio Controller
Flags: bus master, fast devsel, latency 64, IRQ 243, IOMMU group 20
Memory at 622d310000 (64-bit, non-prefetchable) [size=16K]
Memory at 622d000000 (64-bit, non-prefetchable) [size=2M]
Capabilities: 
Kernel driver in use: sof-audio-pci-intel-mtl
Kernel modules: snd_hda_intel, snd_sof_pci_intel_mtl
trolettigillot@CHM-407N-ZTG2:~$ lsmod |grep snd_
snd_seq_dummy          12288  0
snd_hrtimer            12288  1
snd_seq               110592  7 snd_seq_dummy
snd_seq_device         16384  1 snd_seq
snd_soc_sof_sdw       106496  1
snd_sof_probes         24576  0
snd_soc_intel_hda_dsp_common    16384  1 snd_soc_sof_sdw
snd_soc_rt712_sdca     45056  1
snd_soc_rt712_sdca_dmic    32768  1
snd_hda_codec_hdmi     94208  1
snd_soc_rt1316_sdw     28672  2
regmap_sdw_mbq         12288  2 snd_soc_rt712_sdca_dmic,snd_soc_rt712_sdca
regmap_sdw             12288  3 snd_soc_rt1316_sdw,snd_soc_rt712_sdca_dmic,snd_soc_rt712_sdca
snd_soc_dmic           12288  0
snd_sof_pci_intel_mtl    32768  0
snd_sof_intel_hda_generic    36864  1 snd_sof_pci_intel_mtl
soundwire_intel        73728  5 snd_sof_intel_hda_generic
snd_sof_intel_hda_common   184320  2 snd_sof_pci_intel_mtl,snd_sof_intel_hda_generic
snd_sof_intel_hda_mlink    36864  3 soundwire_intel,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_intel_hda      20480  2 snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_pci            24576  2 snd_sof_pci_intel_mtl,snd_sof_intel_hda_generic
snd_sof_xtensa_dsp     16384  1 snd_sof_intel_hda_generic
snd_sof               376832  6 snd_sof_pci_intel_mtl,snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_hda_generic,snd_sof_probes,snd_sof_intel_hda
snd_sof_utils          16384  1 snd_sof
snd_soc_hdac_hda       28672  1 snd_sof_intel_hda_common
snd_hda_ext_core       36864  4 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
snd_soc_acpi_intel_match   106496  2 snd_sof_pci_intel_mtl,snd_sof_intel_hda_generic
snd_soc_acpi           16384  2 snd_soc_acpi_intel_match,snd_sof_intel_hda_generic
snd_soc_core          413696  10 snd_soc_sof_sdw,snd_soc_rt1316_sdw,soundwire_intel,snd_sof,snd_soc_rt712_sdca_dmic,snd_soc_rt712_sdca,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_probes,snd_soc_dmic
snd_compress           28672  2 snd_soc_core,snd_sof_probes
snd_pcm_dmaengine      16384  1 snd_soc_core
soundwire_bus         114688  9 snd_soc_sof_sdw,regmap_sdw,snd_soc_rt1316_sdw,regmap_sdw_mbq,soundwire_intel,snd_soc_rt712_sdca_dmic,snd_soc_rt712_sdca,soundwire_generic_allocation,soundwire_cadence
snd_hda_intel          61440  0
snd_intel_dspcfg       36864  4 snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_intel_sdw_acpi     16384  2 snd_intel_dspcfg,snd_sof_intel_hda_generic
snd_hda_codec         212992  5 snd_hda_codec_hdmi,snd_hda_intel,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_core          143360  8 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hwdep              16384  1 snd_hda_codec
snd_pcm               188416  14 snd_hda_codec_hdmi,snd_soc_rt1316_sdw,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_soc_rt712_sdca_dmic,snd_soc_rt712_sdca,snd_sof_intel_hda_common,snd_compress,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
snd_timer              53248  3 snd_seq,snd_hrtimer,snd_pcm
snd                   147456  16 snd_soc_sof_sdw,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_sof,snd_timer,snd_compress,snd_soc_core,snd_pcm
trolettigillot@CHM-407N-ZTG2:~$ grep ‹ ^b|^o › /etc/modprobe.d/*
/etc/modprobe.d/intel-microcode-blacklist.conf:blacklist microcode
/etc/modprobe.d/nvidia-blacklists-nouveau.conf:blacklist nouveau
trolettigillot@CHM-407N-ZTG2:~$ dpkg -l |awk ‹ $2~« pipew|pulse|alsa|wirep|intel|-sof-|jack » && $1~/^i/ {print $1,$2} ›
ii alsa-firmware-loaders
ii alsa-topology-conf
ii alsa-ucm-conf
ii alsa-utils
ii firmware-intel-graphics
ii firmware-intel-misc
ii firmware-intel-sound
ii firmware-sof-signed
ii gstreamer1.0-pipewire:amd64
ii intel-media-va-driver:amd64
ii intel-microcode
ii libcanberra-pulse:amd64
ii libdrm-intel1:amd64
ii libjack-jackd2-0:amd64
ii libpipewire-0.3-0:amd64
ii libpipewire-0.3-common
ii libpipewire-0.3-modules:amd64
ii libpulse-mainloop-glib0:amd64
ii libpulse0:amd64
ii libwireplumber-0.5-0:amd64
ii pipewire:amd64
ii pipewire-alsa:amd64
ii pipewire-audio
ii pipewire-bin
ii pipewire-pulse
ii wireplumber
ii xserver-xorg-video-intel
trolettigillot@CHM-407N-ZTG2:~$ systemctl --user list-unit-files --state=enabled --no-pager |awk ‹ /pipe|wirep|pulse/ ›
pipewire-pulse.service                       enabled enabled
pipewire.service                             enabled enabled
wireplumber.service                          enabled enabled
pipewire-pulse.socket                        enabled enabled
pipewire.socket                              enabled enabled
Je m’aperçois d’ailleurs que j’ai aussi un soucis de veille car il n’y passe pas vraiment ( il consomme autant de batterie que hors veille ), mais je m’occuperai de cela quand j’aurai résolu le problème de son !