ASoC: Convert wm8985 MICBIAS to a supply widget

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8985.c

@@ -411,7 +411,8 @@ static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
 	SND_SOC_DAPM_PGA("Right Speaker Out", WM8985_POWER_MANAGEMENT_3,
 		6, 0, NULL, 0),
 
-	SND_SOC_DAPM_MICBIAS("Mic Bias", WM8985_POWER_MANAGEMENT_1, 4, 0),
+	SND_SOC_DAPM_SUPPLY("Mic Bias", WM8985_POWER_MANAGEMENT_1, 4, 0,
+			    NULL, 0),
 
 	SND_SOC_DAPM_INPUT("LIN"),
 	SND_SOC_DAPM_INPUT("LIP"),