Re: [tiwai-sound:for-linus 2/7] ld.lld: error: undefined symbol: i2c_acpi_client_count

[Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>]

On 14/08/2024 06:08, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-linus
> head:   8475a1d9bb7acf1cb15842dd24baab0e8ea4e4ff
> commit: 03c5c350e38d9346b69357d0e52c3c40495c14a0 [2/7] ALSA: hda/realtek: Add support for new HP G12 laptops
> config: i386-randconfig-013-20240811 (https://download.01.org/0day-ci/archive/20240814/202408141333.gYnaitcV-lkp@xxxxxxxxx/config)
> compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240814/202408141333.gYnaitcV-lkp@xxxxxxxxx/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202408141333.gYnaitcV-lkp@xxxxxxxxx/
>
> All errors (new ones prefixed by >>):
>
> > > ld.lld: error: undefined symbol: i2c_acpi_client_count
>     >>> referenced by patch_realtek.c:6891 (sound/pci/hda/patch_realtek.c:6891)
>     >>>               sound/pci/hda/patch_realtek.o:(cs35lxx_autodet_fixup) in archive vmlinux.a

I'll be sending a fix for this soon, I'm just testing it.
Despite our testing of various combinations we missed CONFIG_I2C=m,
CONFIG_ACPI=y. For reasons I can't explain I thought that CONFIG_I2C
is a boolean.