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power: supply: sc27xx: Add POWER_SUPPLY_PROP_CHARGE_NOW attribute

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Add the POWER_SUPPLY_PROP_CHARGE_NOW attribute to allow user to get
current battery capacity (uAh) to do measurement.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Baolin Wang 2020-02-14 13:38:58 +08:00 committed by Sebastian Reichel
parent 5b11e5d784
commit 1c5dfc5e3f
1 changed files with 12 additions and 0 deletions
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12
drivers/power/supply/sc27xx_fuel_gauge.c
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@ -614,6 +614,17 @@ static int sc27xx_fgu_get_property(struct power_supply *psy,
val->intval = data->total_cap * 1000;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
ret = sc27xx_fgu_get_clbcnt(data, &value);
if (ret)
goto error;
value = DIV_ROUND_CLOSEST(value * 10,
36 * SC27XX_FGU_SAMPLE_HZ);
val->intval = sc27xx_fgu_adc_to_current(data, value);
break;
default:
ret = -EINVAL;
break;
@ -682,6 +693,7 @@ static enum power_supply_property sc27xx_fgu_props[] = {
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_CALIBRATE,
POWER_SUPPLY_PROP_CHARGE_NOW
};
static const struct power_supply_desc sc27xx_fgu_desc = {