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>

diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index 893dd74..3224ab7 100644 (file)
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -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 */

diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index b25ca99..65c37b0 100644 (file)
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -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;
        }
 
        /*

diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index 7033c07..b4307d1 100644 (file)
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -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,