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

At least upower prefers the more precise charge_now sysfs value over
capacity and the max17042 has the info, so lets export it.

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 20:32:57 +02:00 committed by Sebastian Reichel
parent 2e015412a3
commit 6d6b61eafc
1 changed files with 10 additions and 0 deletions
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10
drivers/power/supply/max17042_battery.c
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@ -89,6 +89,7 @@ static enum power_supply_property max17042_battery_props[] = {
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_NOW,
POWER_SUPPLY_PROP_CHARGE_COUNTER,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
@ -320,6 +321,15 @@ static int max17042_get_property(struct power_supply *psy,
if (ret < 0)
return ret;
data64 = data * 5000000ll;
do_div(data64, chip->pdata->r_sns);
val->intval = data64;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
ret = regmap_read(map, MAX17042_RepCap, &data);
if (ret < 0)
return ret;
data64 = data * 5000000ll;
do_div(data64, chip->pdata->r_sns);
val->intval = data64;