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power: supply: max17042_battery: Add support for the VOLT_MIN property 

The info is there, so lets export it, like we already do for VOLT_MAX.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
hifive-unleashed-5.1
Hans de Goede 2017-04-14 20:32:54 +02:00 committed by Sebastian Reichel
parent ef7fcdaebf
commit 7bfc9397ff
1 changed files with 8 additions and 0 deletions
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8
drivers/power/supply/max17042_battery.c
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@ -81,6 +81,7 @@ static enum power_supply_property max17042_battery_props[] = {
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
POWER_SUPPLY_PROP_VOLTAGE_MIN,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_VOLTAGE_AVG,
@ -257,6 +258,13 @@ static int max17042_get_property(struct power_supply *psy,
val->intval = data >> 8;
val->intval *= 20000; /* Units of LSB = 20mV */
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN:
ret = regmap_read(map, MAX17042_MinMaxVolt, &data);
if (ret < 0)
return ret;
val->intval = (data & 0xff) * 20000; /* Units of 20mV */
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042)
ret = regmap_read(map, MAX17042_V_empty, &data);