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The acp-platform driver now needs the ACPI helpers:
ld.lld: error: undefined symbol: snd_soc_acpi_find_machine
>>> referenced by acp-platform.c
>>> soc/amd/acp/acp-platform.o:(acp_machine_select) in archive sound/built-in.a
ld.lld: error: undefined symbol: snd_soc_acpi_codec_list
>>> referenced by acp-renoir.c
>>> soc/amd/acp/acp-renoir.o:(snd_soc_acpi_amd_acp_machines) in archive sound/built-in.a
Other drivers using this interface, select SND_SOC_ACPI, so do the
same thing here.
Fixes: e646b51f5d ("ASoC: amd: acp: Add callback for machine driver on ACP")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211029113714.966823-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.