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ASoC: Intel: boards: handle errors with acpi_dev_get_first_match_dev() 

acpi_dev_get_first_match_dev() searches for an acpi_handle
instantiated by the ACPI table scanning done early during boot.

Two of three machine drivers using this search don't deal with errors
and the one which does (bytcr_rt5651) returns -ENODEV, which doesn't
make sense here: an alternate driver will not be probed.

Add consistent error handling and report -ENXIO.

Suggested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210813151116.23931-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2021-08-13 10:11:10 -05:00 committed by Mark Brown
parent c50f126b3c
commit 69efe3b834
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 7 additions and 1 deletions
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3
sound/soc/intel/boards/bytcht_es8316.c
View File

@ -492,6 +492,9 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
"i2c-%s", acpi_dev_name(adev));
put_device(&adev->dev);
byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
}
/* override plaform name, if required */

3
sound/soc/intel/boards/bytcr_rt5640.c
View File

@ -1394,6 +1394,9 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
"i2c-%s", acpi_dev_name(adev));
put_device(&adev->dev);
byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
}
/*

2
sound/soc/intel/boards/bytcr_rt5651.c
View File

@ -921,7 +921,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
} else {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENODEV;
return -ENXIO;
}
codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,