ASoC: twl4030: Convert MICBIAS to SUPPLY widget

In order to avoid breakage update the machine drivers at the same time using
twl4030: omap3pandora, sdp3430 and zoom2

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 79b2f86..5dd7c81 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -1479,9 +1479,13 @@
 	SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
 			    NULL, 0),
 
-	SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0),
-	SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0),
-	SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0),
+	/* Microphone bias */
+	SND_SOC_DAPM_SUPPLY("Mic Bias 1",
+			    TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Mic Bias 2",
+			    TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
+			    TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
 
 	SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
 };