power: supply: bq25890_charger: Read back the current battery voltage (ae6fe7a3) · Commits · 戴 / test

The BQ2589x family has the capability of reading the current battery voltage. Reviewed-by:

drivers/power/supply/bq25890_charger.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -461,6 +461,15 @@ static int bq25890_power_supply_get_property(struct power_supply *psy,
		val->intval = bq25890_find_val(bq->init_data.iterm, TBL_ITERM);
		break;

		case POWER_SUPPLY_PROP_VOLTAGE_NOW:
		ret = bq25890_field_read(bq, F_SYSV); /* read measured value */
		if (ret < 0)
		return ret;

		/* converted_val = 2.304V + ADC_val * 20mV (table 10.3.15) */
		val->intval = 2304000 + ret * 20000;
		break;

		default:
		return -EINVAL;
		}
		@@ -669,6 +678,7 @@ static enum power_supply_property bq25890_power_supply_props[] = {
		POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
		POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
		POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
		POWER_SUPPLY_PROP_VOLTAGE_NOW,
		};

		static char *bq25890_charger_supplied_to[] = {