Lines Matching defs:vref
217 * 1 -> Internal Vref, vref_io driven by internal vref
715 s64 vref, tmp, common, offset, gn, gp;
722 vref = 2500;
730 *v_max = vref + tmp;
735 *v_min = vref - tmp;
884 struct regulator *vref;
893 vref = devm_regulator_get_optional(dev, "vref");
894 if (IS_ERR(vref)) {
895 if (PTR_ERR(vref) != -ENODEV)
896 return dev_err_probe(dev, PTR_ERR(vref),
897 "Error getting vref");
899 if (device_property_read_bool(dev, "adi,vref-out-en"))
904 err = regulator_enable(vref);
906 dev_err(dev, "Failed to enable external vref supply\n");
910 err = devm_add_action_or_reset(dev, ad3552r_reg_disable, vref);
912 regulator_disable(vref);
916 voltage = regulator_get_voltage(vref);
918 dev_warn(dev, "vref-supply must be 2.5V");