kselftest/alsa - conf: Stringify the printed errno in sysfs_get()

[ Upstream commit fd38dd6abda589a8771e7872e4dea28c99c6a6ef ]

GCC 13.2.0 reported the warning of the print format specifier:

conf.c

kselftest/alsa - conf: Stringify the printed errno in sysfs_get()

[ Upstream commit fd38dd6abda589a8771e7872e4dea28c99c6a6ef ]

GCC 13.2.0 reported the warning of the print format specifier:

conf.c: In function ‘sysfs_get’:
conf.c:181:72: warning: format ‘%s’ expects argument of type ‘char *’, \
but argument 3 has type ‘int’ [-Wformat=]
181 | ksft_exit_fail_msg("sysfs: unable to read value '%s': %s\n",
| ~^
| |
| char *
| %d

The fix passes strerror(errno) as it was intended, like in the sibling error
exit message.

Fixes: aba51cd0949ae ("selftests: alsa - add PCM test")
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-sound@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240107173704.937824-5-mirsad.todorovac@alu.unizg.hr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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selftests: ALSA: remove unused variables

These variables are never referenced in the code, just remove them.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Mark Brown <broo

selftests: ALSA: remove unused variables

These variables are never referenced in the code, just remove them.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230908081040.197243-1-dingxiang@cmss.chinamobile.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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kselftest/alsa: pcm - move more configuration to configuration files

Obtain all test parameters from the configuration files. The defaults
are defined in the pcm-test.conf file. The test count and p

kselftest/alsa: pcm - move more configuration to configuration files

Obtain all test parameters from the configuration files. The defaults
are defined in the pcm-test.conf file. The test count and parameters
may be variable per specific hardware.

Also, handle alt_formats field now (with the fixes in the format loop).
It replaces the original "automatic" logic which is not so universal.

The code may be further extended to skip various tests based
on the configuration hints, if the exact PCM hardware parameters
are not available for the given hardware.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-alsa-pcm-test-hacks-v4-2-5a152e65b1e1@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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selftests: alsa - move shared library configuration code to conf.c

The minimal alsa-lib configuration code is similar in both mixer
and pcm tests. Move this code to the shared conf.c source file.

A

selftests: alsa - move shared library configuration code to conf.c

The minimal alsa-lib configuration code is similar in both mixer
and pcm tests. Move this code to the shared conf.c source file.

Also, fix the build rules inspired by rseq tests. Build libatest.so
which is linked to the both test utilities dynamically.

Also, set the TEST_FILES variable for lib.mk.

Cc: linux-kselftest@vger.kernel.org
Cc: Shuah Khan <shuah@kernel.org>
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221129085306.2345763-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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selftests: alsa - add PCM test

This initial code does a simple sample transfer tests. By default,
all PCM devices are detected and tested with short and long
buffering parameters for 4 seconds. If t

selftests: alsa - add PCM test

This initial code does a simple sample transfer tests. By default,
all PCM devices are detected and tested with short and long
buffering parameters for 4 seconds. If the sample transfer timing
is not in a +-100ms boundary, the test fails. Only the interleaved
buffering scheme is supported in this version.

The configuration may be modified with the configuration files.
A specific hardware configuration is detected and activated
using the sysfs regex matching. This allows to use the DMI string
(/sys/class/dmi/id/* tree) or any other system parameters
exposed in sysfs for the matching for the CI automation.

The configuration file may also specify the PCM device list to detect
the missing PCM devices.

v1..v2:
- added missing alsa-local.h header file

Cc: Mark Brown <broonie@kernel.org>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@intel.com>
Cc: Liam Girdwood <liam.r.girdwood@intel.com>
Cc: Jesse Barnes <jsbarnes@google.com>
Cc: Jimmy Cheng-Yi Chiang <cychiang@google.com>
Cc: Curtis Malainey <cujomalainey@google.com>
Cc: Brian Norris <briannorris@chromium.org>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221108115914.3751090-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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