From: Curtis Malainey <cujomalainey@xxxxxxxxxxxx>
Even if we find a acpi device we can still be missing the physical node.
Signed-off-by: Curtis Malainey <cujomalainey@xxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
sound/soc/intel/boards/sof_cirrus_common.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/boards/sof_cirrus_common.c b/sound/soc/intel/boards/sof_cirrus_common.c
index 851c516c8f5b..8b8b07e4f2fe 100644
--- a/sound/soc/intel/boards/sof_cirrus_common.c
+++ b/sound/soc/intel/boards/sof_cirrus_common.c
@@ -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++;
}
--
2.37.2
