93  * @booster:		booster supply reference
111 	struct regulator		*booster;  member
463 	 * - Voltage booster can be used, to get full ADC performances  in stm32_adc_core_switches_supply_en()
493 		if (priv->booster) {  in stm32_adc_core_switches_supply_en()
498 			ret = regulator_enable(priv->booster);  in stm32_adc_core_switches_supply_en()
500 				dev_err(dev, "booster enable failed %d\n", ret);  in stm32_adc_core_switches_supply_en()
503 			dev_dbg(dev, "analog switches supplied by booster\n");  in stm32_adc_core_switches_supply_en()
525 		if (priv->booster)  in stm32_adc_core_switches_supply_dis()
526 			regulator_disable(priv->booster);  in stm32_adc_core_switches_supply_dis()
617 	/* Booster can be used to supply analog switches (optional) */  in stm32_adc_core_switches_probe()
619 	    of_property_read_bool(np, "booster-supply")) {  in stm32_adc_core_switches_probe()
620 		priv->booster = devm_regulator_get_optional(dev, "booster");  in stm32_adc_core_switches_probe()
621 		if (IS_ERR(priv->booster)) {  in stm32_adc_core_switches_probe()
622 			ret = PTR_ERR(priv->booster);  in stm32_adc_core_switches_probe()
624 				return dev_err_probe(dev, ret, "can't get booster\n");  in stm32_adc_core_switches_probe()
626 			priv->booster = NULL;  in stm32_adc_core_switches_probe()