ASoC: Use snd_soc_dapm_nc_pin() in at91sam9g20ek

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index 1fb59a9..6ea04be 100644
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -221,8 +221,8 @@
 	snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
 
 	/* not connected */
-	snd_soc_dapm_disable_pin(codec, "RLINEIN");
-	snd_soc_dapm_disable_pin(codec, "LLINEIN");
+	snd_soc_dapm_nc_pin(codec, "RLINEIN");
+	snd_soc_dapm_nc_pin(codec, "LLINEIN");
 
 	/* always connected */
 	snd_soc_dapm_enable_pin(codec, "Int Mic");