ASoC: Log wm_hubs DC servo operation code when reporting a timeout

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 613df5d..a5c1556 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -82,7 +82,8 @@
 	} while (reg & op && count < 400);
 
 	if (reg & op)
-		dev_err(codec->dev, "Timed out waiting for DC Servo\n");
+		dev_err(codec->dev, "Timed out waiting for DC Servo %x\n",
+			op);
 }
 
 /*