WCD_MBHC_EN_PULLUP
case WCD_MBHC_EN_PULLUP:
wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);
wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);
wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);