I am also having this issue with the keyboard stopping after sleep.   
5.15.0-102 kernel.
I have found by putting this line in grub I can make it work, however I lose 
the num lock light, only light on the keyboard.

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.dumbkbd=1 i8042.nomux=1
i8042.noaux=1"

I can't get a reliable test deleting one of the 'nomux' or 'noaux', just
seems that all 3 make things work.   Shouldn't have to patch like this
and I would really like the light back on.

Do you believe the patch above will fix this too.

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https://bugs.launchpad.net/bugs/2056743

Title:
  Keyboard stops working after suspend on Dell XPS 13

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The problem occurs with the 5.15.0-102 kernel but not with 5.15.0-100.

  The issue seems to be identical to the problem reported for 6.7.0
  here: https://bbs.archlinux.org/viewtopic.php?id=292203

  On the page linked above is says a patch was submitted 2024-01-26 and
  the problem solved 2024-03-04 in linux 6.7.5 or linux-lts 6.6.17.

  I'm concerned that this still needs fixing in the 5.xxx kernel branch.

  Touchpad does not freeze and mouse-control of windows still works, so
  it's different from a bug reported elsewhere.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-102-generic 5.15.0-102.112
  ProcVersionSignature: Ubuntu 5.15.0-100.110-generic 5.15.143
  Uname: Linux 5.15.0-100-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  axel       2494 F.... pulseaudio
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Mar 11 09:54:23 2024
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  HibernationDevice: RESUME=UUID=461ac6d0-c7ab-4f93-b97d-4d7b3f14f378
  InstallationDate: Installed on 2018-08-31 (2018 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 
20160624-10:47
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0489:e0a2 Foxconn / Hon Hai 
   Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp. 
Integrated_Webcam_HD
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9370
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-100-generic 
root=UUID=fb8af021-9abd-4e95-9458-7a78ac12bb46 ro quiet splash 
mem_sleep_default=deep vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.15.0-100-generic N/A
   linux-backports-modules-5.15.0-100-generic  N/A
   linux-firmware                              20220329.git681281e4-0ubuntu3.29
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/06/2022
  dmi.bios.release: 1.21
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.21.0
  dmi.board.name: 0W970W
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A03
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.21.0:bd07/06/2022:br1.21:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0W970W:rvrA03:cvnDellInc.:ct10:cvr:sku07E6:
  dmi.product.family: XPS
  dmi.product.name: XPS 13 9370
  dmi.product.sku: 07E6
  dmi.sys.vendor: Dell Inc.
  modified.conffile..etc.default.apport:
   # set this to 0 to disable apport, or to 1 to enable it
   # you can temporarily override this with
   # sudo service apport start force_start=1
   enabled=0
  mtime.conffile..etc.default.apport: 2018-09-08T10:23:15.468001

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