106 static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias)  in wcd_program_btn_threshold()  argument
112 				   mbhc->cfg->num_btn, micbias);  in wcd_program_btn_threshold()
120 	 * Some codecs handle micbias/pullup enablement in codec  in wcd_mbhc_curr_micbias_control()
121 	 * drivers itself and micbias is not needed for regular  in wcd_mbhc_curr_micbias_control()
138 		/* Disable PULL_UP_EN & enable MICBIAS */  in wcd_mbhc_curr_micbias_control()
140 		/* Program Button threshold registers as per MICBIAS */  in wcd_mbhc_curr_micbias_control()
147 		/* Program Button threshold registers as per MICBIAS */  in wcd_mbhc_curr_micbias_control()
176 	/* MICBIAS usage change */  in wcd_mbhc_event_notify()
201 	/* MICBIAS usage change */  in wcd_mbhc_event_notify()
222 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
224 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
227 			/* Disable micbias, pullup & enable cs */  in wcd_mbhc_event_notify()
232 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
234 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
237 			/* Disable micbias, pullup & enable cs */  in wcd_mbhc_event_notify()
242 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
244 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
247 			/* Disable micbias, enable pullup & cs */  in wcd_mbhc_event_notify()
252 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
254 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
257 			/* Disable micbias, enable pullup & cs */  in wcd_mbhc_event_notify()
528 	/* Enable micbias ramp */  in wcd_mbhc_mech_plug_detect_irq()
773 	int micbias = 0;  in wcd_mbhc_get_micbias()  local
776 		mbhc->mbhc_cb->get_micbias_val(mbhc->component, &micbias);  in wcd_mbhc_get_micbias()
779 		/* Read MBHC Micbias (Mic Bias2) voltage */  in wcd_mbhc_get_micbias()
781 		/* Formula for getting micbias from vout  in wcd_mbhc_get_micbias()
782 		 * micbias = 1.0V + VOUT_CTL * 50mV  in wcd_mbhc_get_micbias()
784 		micbias = 1000 + (vout_ctl * 50);  in wcd_mbhc_get_micbias()
786 	return micbias;  in wcd_mbhc_get_micbias()
789 static int wcd_get_voltage_from_adc(u8 val, int micbias)  in wcd_get_voltage_from_adc()  argument
794 	return ((val * 125 * micbias)/(WCD_MBHC_ADC_MICBIAS_MV * 10));  in wcd_get_voltage_from_adc()
1078 		/* Add 10ms delay for micbias to settle */  in wcd_mbhc_check_for_spl_headset()
1243 	 * clear the micbias enable flag, set micbias back to 1.8V and  in wcd_correct_swch_plug()
1244 	 * disable micbias.  in wcd_correct_swch_plug()