diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index d3cfd3788f2ab019e65463ce8febaccd287c6d9c..8fe9a75d12357810f88fd596de1b39006545493d 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3853,7 +3853,12 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 	} else {
 		dev_dbg(component->dev, "Jack not detected\n");
 
+		/* Release wm8994->accdet_lock to avoid deadlock:
+		 * cancel_delayed_work_sync() takes wm8994->mic_work internal
+		 * lock and wm1811_mic_work takes wm8994->accdet_lock */
+		mutex_unlock(&wm8994->accdet_lock);
 		cancel_delayed_work_sync(&wm8994->mic_work);
+		mutex_lock(&wm8994->accdet_lock);
 
 		snd_soc_component_update_bits(component, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);