diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/supply/max17042_battery.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index bafbf87060559..167fb3fb37320 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -89,6 +89,7 @@ static enum power_supply_property max17042_battery_props[] = { POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_SCOPE, POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, + POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, // these two have to be at the end on the list POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, @@ -445,6 +446,21 @@ static int max17042_get_property(struct power_supply *psy, val->intval = data * 5625 / 1000; break; + case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW: + if (chip->chip_type != MAXIM_DEVICE_TYPE_MAX17055 && + chip->chip_type != MAXIM_DEVICE_TYPE_MAX77759) + return -EINVAL; + + ret = regmap_read(map, MAX17055_TTF, &data); + if (ret < 0) + return ret; + + /* when discharging, the value is not meaningful */ + if (data == U16_MAX) + return -ENODATA; + + val->intval = data * 5625 / 1000; + break; default: return -EINVAL; } |