The hardware (relevant parts only):
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# lspci -nn
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:46a8] (rev 0c)
00:04.0 Signal processing controller [1180]: Intel Corporation Device [8086:461d] (rev 04)
00:14.3 Network controller [0280]: Intel Corporation Device [8086:51f0] (rev 01)
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:51e0] (rev 01)
00:1f.3 Multimedia audio controller [0401]: Intel Corporation Device [8086:51c8] (rev 01)
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (16) I219-V [8086:1a1f] (rev 01)
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# dmesg | grep -i firmware
[ 0.299249] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 3.566541] i915 0000:00:02.0: firmware: failed to load i915/adlp_dmc_ver2_16.bin (-2)
[ 3.566543] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
[ 3.566547] i915 0000:00:02.0: firmware: failed to load i915/adlp_dmc_ver2_16.bin (-2)
[ 3.566549] i915 0000:00:02.0: Direct firmware load for i915/adlp_dmc_ver2_16.bin failed with error -2
[ 3.566550] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/adlp_dmc_ver2_16.bin. Disabling runtime power management.
[ 3.566551] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915
[ 3.575486] i915 0000:00:02.0: firmware: failed to load i915/adlp_guc_70.1.1.bin (-2)
[ 3.575491] i915 0000:00:02.0: firmware: failed to load i915/adlp_guc_70.1.1.bin (-2)
[ 3.575496] i915 0000:00:02.0: firmware: failed to load i915/adlp_guc_69.0.3.bin (-2)
[ 3.575500] i915 0000:00:02.0: firmware: failed to load i915/adlp_guc_69.0.3.bin (-2)
[ 3.575501] i915 0000:00:02.0: GuC firmware i915/adlp_guc_70.1.1.bin: fetch failed with error -2
[ 3.575503] i915 0000:00:02.0: [drm] GuC firmware(s) can be downloaded from https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915
[ 3.576031] i915 0000:00:02.0: [drm] GuC firmware i915/adlp_guc_70.1.1.bin version 0.0
[ 3.681530] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x5f3001)
[ 17.487948] elan_i2c 0-0015: unexpected iap version 0x00 (ic type: 0x1b), firmware update will not work
[ 17.487954] elan_i2c 0-0015: Elan Touchpad: Module ID: 0x001b, Firmware: 0x009a, Sample: 0x0000, IAP: 0x0000
[ 17.493953] platform regulatory.0: firmware: direct-loading firmware regulatory.db
[ 17.494160] platform regulatory.0: firmware: direct-loading firmware regulatory.db.p7s
[ 17.567458] iwlwifi 0000:00:14.3: firmware: direct-loading firmware iwlwifi-so-a0-hr-b0-72.ucode
[ 17.567806] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
[ 17.567838] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
[ 17.567857] iwlwifi 0000:00:14.3: loaded firmware version 72.daa05125.0 so-a0-hr-b0-72.ucode op_mode iwlmvm
[ 17.846112] sof-audio-pci-intel-tgl 0000:00:1f.3: firmware: failed to load intel/sof/sof-adl.ri (-2)
[ 17.846142] sof-audio-pci-intel-tgl 0000:00:1f.3: firmware: failed to load intel/sof/sof-adl.ri (-2)
[ 17.846164] sof-audio-pci-intel-tgl 0000:00:1f.3: Direct firmware load for intel/sof/sof-adl.ri failed with error -2
[ 17.846165] sof-audio-pci-intel-tgl 0000:00:1f.3: error: sof firmware file is missing, you might need to
[ 17.846200] sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to load DSP firmware -2
[ 17.886026] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 17.887561] bluetooth hci0: firmware: direct-loading firmware intel/ibt-0040-4150.sfi
[ 17.887564] Bluetooth: hci0: Found device firmware: intel/ibt-0040-4150.sfi
[ 17.887577] Bluetooth: hci0: Firmware Version: 191-39.22
[ 19.531448] Bluetooth: hci0: Waiting for firmware download to complete
[ 19.531807] Bluetooth: hci0: Firmware loaded in 1605705 usecs
[ 19.550250] bluetooth hci0: firmware: direct-loading firmware intel/ibt-0040-4150.ddc
[ 19.555035] Bluetooth: hci0: Firmware timestamp 2022.39 buildtype 1 build 52159
1. WiFi:
Simply does not work. I installed 'firmware-linux-free', 'firmware-linux-nonfree', 'firmware-iwlwifi', 'firmware-misc-nonfree' (where possible from backports). I also installed the 6.0 kernel from backports.
I then followed intructions found here: https://wiki.debian.org/InstallingDebia ... ullseye%29 and copied iwlwifi files from the git repo to /lib/firmware/.
No success whatsoever.
2. Sound: seems to work partially, but it does not output sound. In sound settings I can only see a "dummy output". I installed 'firmware-sof-signed' and 'firmware-intel-sound', no success.
3. Graphics: upon startup, system tells me hardware acceleration does not work. I removed 'xserver-xorg-video-intel', installed 'intel-media-va-driver' and 'intel-media-va-driver-non-free package', again, no success.
My Linux knowledge is mediocre, I would appreciate any help in getting these issues resolved. Thanks!