ASoC: Convert wm8983 MICBIAS to a supply widget

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

sound/soc/codecs/wm8983.c

@@ -481,7 +481,8 @@ static const struct snd_soc_dapm_widget wm8983_dapm_widgets[] = {
 	SND_SOC_DAPM_PGA("OUT4 Out", WM8983_POWER_MANAGEMENT_3,
 			 8, 0, NULL, 0),
 
-	SND_SOC_DAPM_MICBIAS("Mic Bias", WM8983_POWER_MANAGEMENT_1, 4, 0),
+	SND_SOC_DAPM_SUPPLY("Mic Bias", WM8983_POWER_MANAGEMENT_1, 4, 0,
+			    NULL, 0),
 
 	SND_SOC_DAPM_INPUT("LIN"),
 	SND_SOC_DAPM_INPUT("LIP"),