Public bug reported:

[Impact]

/var/lib/dkms/ddcci/0.4.1/build/ddcci/ddcci.c:1677:9: error: implicit 
declaration of function ‘strlcpy’; did you mean ‘strscpy’? 
[-Werror=implicit-function-declaration]
 1677 |         strlcpy(info->type, (outer_addr == DDCCI_DEFAULT_DEVICE_ADDR) ? 
"ddcci" : "ddcci-dependent", I2C_NAME_SIZE);
      |         ^~~~~~~
      |         strscpy
/var/lib/dkms/ddcci/0.4.1/build/ddcci/ddcci.c: At top level:
/var/lib/dkms/ddcci/0.4.1/build/ddcci/ddcci.c:1835:27: error: ‘I2C_CLASS_DDC’ 
undeclared here (not in a function); did you mean ‘I2C_CLASS_SPD’?
 1835 |         .class          = I2C_CLASS_DDC,
      |                           ^~~~~~~~~~~~~
      |                           I2C_CLASS_SPD
cc1: some warnings being treated as errors

[Test case]

 $ sudo apt install ddcci-dkms

[Fix]

Backport from Noble the required changes to properly support the new 6.8
kernel ABI.

[Regression potential]

DDC/CI is a driver for compatible monitors and their integration into
the backlight system class. We may experience graphical regressions in
systems that are using this particular driver.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ddcci-dkms 0.4.1-3ubuntu3
ProcVersionSignature: User Name 6.8.0-35.35.1~22.04.1-lowlatency 6.8.4
Uname: Linux 6.8.0-35-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: config-disk (/dev/vdb)
Date: Tue Jun 18 09:22:45 2024
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: ddcci-driver-linux
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ddcci-driver-linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ddcci-driver-linux (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy uec-images

** Also affects: ddcci-driver-linux (Ubuntu Jammy)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2069710

Title:
  ddcci-dkms FTBS with linux hwe 6.8 on jammy

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