diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index c47c5f0b4e59..509a380f9be7 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -463,6 +463,10 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
 		goto err;
 	}
 
+	ret = cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
+	if (ret)
+		goto err;
+
 	ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid);
 	if (ret)
 		goto err;
@@ -473,6 +477,10 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
 		goto err;
 	}
 
+	ret = cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
+	if (ret)
+		goto err;
+
 	ret = cs35l41_hda_apply_properties(cs35l41, acpi_hw_cfg);
 	if (ret)
 		goto err;