diff options
Diffstat (limited to 'drivers/power/supply/max17042_battery.c')
| -rw-r--r-- | drivers/power/supply/max17042_battery.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index f284547913d6..79d4b5988360 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -78,6 +78,7 @@ static enum power_supply_property max17042_battery_props[] = { POWER_SUPPLY_PROP_CHARGE_FULL, POWER_SUPPLY_PROP_CHARGE_NOW, POWER_SUPPLY_PROP_CHARGE_COUNTER, + POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, POWER_SUPPLY_PROP_TEMP, POWER_SUPPLY_PROP_TEMP_ALERT_MIN, POWER_SUPPLY_PROP_TEMP_ALERT_MAX, @@ -85,9 +86,10 @@ static enum power_supply_property max17042_battery_props[] = { POWER_SUPPLY_PROP_TEMP_MAX, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, + // these two have to be at the end on the list POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, - POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, }; static int max17042_get_temperature(struct max17042_chip *chip, int *temp) @@ -353,7 +355,8 @@ static int max17042_get_property(struct power_supply *psy, if (ret < 0) return ret; - val->intval = data * 1000 / 2; + data64 = sign_extend64(data, 15) * 5000000ll; + val->intval = div_s64(data64, chip->pdata->r_sns); break; case POWER_SUPPLY_PROP_TEMP: ret = max17042_get_temperature(chip, &val->intval); @@ -394,8 +397,8 @@ static int max17042_get_property(struct power_supply *psy, if (ret < 0) return ret; - val->intval = sign_extend32(data, 15); - val->intval *= 1562500 / chip->pdata->r_sns; + data64 = sign_extend64(data, 15) * 1562500ll; + val->intval = div_s64(data64, chip->pdata->r_sns); } else { return -EINVAL; } @@ -406,12 +409,20 @@ static int max17042_get_property(struct power_supply *psy, if (ret < 0) return ret; - val->intval = sign_extend32(data, 15); - val->intval *= 1562500 / chip->pdata->r_sns; + data64 = sign_extend64(data, 15) * 1562500ll; + val->intval = div_s64(data64, chip->pdata->r_sns); } else { return -EINVAL; } break; + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + ret = regmap_read(map, MAX17042_ICHGTerm, &data); + if (ret < 0) + return ret; + + data64 = data * 1562500ll; + val->intval = div_s64(data64, chip->pdata->r_sns); + break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: ret = regmap_read(map, MAX17042_TTE, &data); if (ret < 0) |