diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 1f755349266762410a0758bc4beb520f926df95f..d78fb8dffc8cce02dacc9a6511e0b7072933eb48 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -1900,6 +1900,8 @@ static int wm5102_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, wm5102);
 
+	mutex_init(&arizona->dac_comp_lock);
+
 	wm5102->core.arizona = arizona;
 	wm5102->core.num_inputs = 6;