ASoC: wm8994: Allow microphone identification callback to be overridden

Allow custom accessory identification mechanisms to make use of the MICDET
support in the device.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/samsung/littlemill.c b/sound/soc/samsung/littlemill.c
index ee52c8a0..7beb6d9 100644
--- a/sound/soc/samsung/littlemill.c
+++ b/sound/soc/samsung/littlemill.c
@@ -270,7 +270,7 @@
 		return ret;
 
 	/* This will check device compatibility itself */
-	wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL);
+	wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL, NULL, NULL);
 
 	/* As will this */
 	wm8994_mic_detect(codec, &littlemill_headset, 1);