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ASoC: Intel: sof_cirrus_common: Guard against missing buses

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Even if we find a acpi device we can still be missing the physical node.

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230419195524.46995-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Curtis Malainey
2023-04-19 14:55:18 -05:00
committed by Mark Brown
parent 09cda70586
commit 058924644f
1 changed files with 6 additions and 1 deletions
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7
sound/soc/intel/boards/sof_cirrus_common.c
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@@ -168,11 +168,16 @@ static int cs35l41_compute_codec_conf(void)
continue;
}
physdev = get_device(acpi_get_first_physical_node(adev));
acpi_dev_put(adev);
if (!physdev) {
pr_devel("Cannot find physical node for HID %s UID %u (%s)\n", CS35L41_HID,
uid, cs35l41_name_prefixes[uid]);
return 0;
}
cs35l41_components[sz].name = dev_name(physdev);
cs35l41_components[sz].dai_name = CS35L41_CODEC_DAI;
cs35l41_codec_conf[sz].dlc.name = dev_name(physdev);
cs35l41_codec_conf[sz].name_prefix = cs35l41_name_prefixes[uid];
acpi_dev_put(adev);
sz++;
}