ASoC: Intel: sof-nau8825: fix module alias overflow
authorArnd Bergmann <arnd@arndb.de>
Wed, 21 Dec 2022 13:24:56 +0000 (14:24 +0100)
committerMark Brown <broonie@kernel.org>
Mon, 26 Dec 2022 23:23:18 +0000 (23:23 +0000)
commit3e78986a840d59dd27e636eae3f52dc11125c835
treed2c46190183d60163c8ca2501539196b655a4a9f
parent63f3d99b7efe4c5404a9388c05780917099cecf4
ASoC: Intel: sof-nau8825: fix module alias overflow

The maximum name length for a platform_device_id entry is 20 characters
including the trailing NUL byte. The sof_nau8825.c file exceeds that,
which causes an obscure error message:

sound/soc/intel/boards/snd-soc-sof_nau8825.mod.c:35:45: error: illegal character encoding in string literal [-Werror,-Winvalid-source-encoding]
MODULE_ALIAS("platform:adl_max98373_nau8825<U+0018><AA>");
                                                   ^~~~
include/linux/module.h:168:49: note: expanded from macro 'MODULE_ALIAS'
                                                ^~~~~~
include/linux/module.h:165:56: note: expanded from macro 'MODULE_INFO'
                                                       ^~~~
include/linux/moduleparam.h:26:47: note: expanded from macro '__MODULE_INFO'
                = __MODULE_INFO_PREFIX __stringify(tag) "=" info

I could not figure out how to make the module handling robust enough
to handle this better, but as a quick fix, using slightly shorter
names that are still unique avoids the build issue.

Fixes: 8d0872f6239f ("ASoC: Intel: add sof-nau8825 machine driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20221221132515.2363276-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/intel/boards/sof_nau8825.c
sound/soc/intel/common/soc-acpi-intel-adl-match.c