110 static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias)  in wcd_program_btn_threshold()  argument
116 				   mbhc->cfg->num_btn, micbias);  in wcd_program_btn_threshold()
124 	 * Some codecs handle micbias/pullup enablement in codec  in wcd_mbhc_curr_micbias_control()
125 	 * drivers itself and micbias is not needed for regular  in wcd_mbhc_curr_micbias_control()
142 		/* Disable PULL_UP_EN & enable MICBIAS */  in wcd_mbhc_curr_micbias_control()
144 		/* Program Button threshold registers as per MICBIAS */  in wcd_mbhc_curr_micbias_control()
151 		/* Program Button threshold registers as per MICBIAS */  in wcd_mbhc_curr_micbias_control()
180 	/* MICBIAS usage change */  in wcd_mbhc_event_notify()
205 	/* MICBIAS usage change */  in wcd_mbhc_event_notify()
226 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
228 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
231 			/* Disable micbias, pullup & enable cs */  in wcd_mbhc_event_notify()
236 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
238 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
241 			/* Disable micbias, pullup & enable cs */  in wcd_mbhc_event_notify()
246 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
248 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
251 			/* Disable micbias, enable pullup & cs */  in wcd_mbhc_event_notify()
256 		/* check if micbias is enabled */  in wcd_mbhc_event_notify()
258 			/* Disable cs, pullup & enable micbias */  in wcd_mbhc_event_notify()
261 			/* Disable micbias, enable pullup & cs */  in wcd_mbhc_event_notify()
531 	/* Enable micbias ramp */  in mbhc_plug_detect_fn()
836 	int micbias = 0;  in wcd_mbhc_get_micbias()  local
839 		mbhc->mbhc_cb->get_micbias_val(mbhc->component, &micbias);  in wcd_mbhc_get_micbias()
842 		/* Read MBHC Micbias (Mic Bias2) voltage */  in wcd_mbhc_get_micbias()
844 		/* Formula for getting micbias from vout  in wcd_mbhc_get_micbias()
845 		 * micbias = 1.0V + VOUT_CTL * 50mV  in wcd_mbhc_get_micbias()
847 		micbias = 1000 + (vout_ctl * 50);  in wcd_mbhc_get_micbias()
849 	return micbias;  in wcd_mbhc_get_micbias()
852 static int wcd_get_voltage_from_adc(u8 val, int micbias)  in wcd_get_voltage_from_adc()  argument
857 	return ((val * 125 * micbias)/(WCD_MBHC_ADC_MICBIAS_MV * 10));  in wcd_get_voltage_from_adc()
1141 		/* Add 10ms delay for micbias to settle */  in wcd_mbhc_check_for_spl_headset()
1306 	 * clear the micbias enable flag, set micbias back to 1.8V and  in wcd_correct_swch_plug()
1307 	 * disable micbias.  in wcd_correct_swch_plug()