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power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute

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Add the 'POWER_SUPPLY_PROP_CALIBRATE' attribute to allow chareger manager
to calibrate the battery capacity.

Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Yuanjiang Yu 2019-07-31 18:00:28 +08:00 committed by Sebastian Reichel
parent 580665279f
commit 7cfd33d997
1 changed files with 19 additions and 8 deletions
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27
drivers/power/supply/sc27xx_fuel_gauge.c
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@ -111,6 +111,7 @@ struct sc27xx_fgu_data {
static int sc27xx_fgu_cap_to_clbcnt(struct sc27xx_fgu_data *data, int capacity);
static void sc27xx_fgu_capacity_calibration(struct sc27xx_fgu_data *data,
int cap, bool int_mode);
static void sc27xx_fgu_adjust_cap(struct sc27xx_fgu_data *data, int cap);
static const char * const sc27xx_charger_supply_name[] = {
"sc2731_charger",
@ -610,18 +611,26 @@ static int sc27xx_fgu_set_property(struct power_supply *psy,
struct sc27xx_fgu_data *data = power_supply_get_drvdata(psy);
int ret;
if (psp != POWER_SUPPLY_PROP_CAPACITY)
return -EINVAL;
mutex_lock(&data->lock);
ret = sc27xx_fgu_save_last_cap(data, val->intval);
switch (psp) {
case POWER_SUPPLY_PROP_CAPACITY:
ret = sc27xx_fgu_save_last_cap(data, val->intval);
if (ret < 0)
dev_err(data->dev, "failed to save battery capacity\n");
break;
case POWER_SUPPLY_PROP_CALIBRATE:
sc27xx_fgu_adjust_cap(data, val->intval);
ret = 0;
break;
default:
ret = -EINVAL;
}
mutex_unlock(&data->lock);
if (ret < 0)
dev_err(data->dev, "failed to save battery capacity\n");
return ret;
}
@ -635,7 +644,8 @@ static void sc27xx_fgu_external_power_changed(struct power_supply *psy)
static int sc27xx_fgu_property_is_writeable(struct power_supply *psy,
enum power_supply_property psp)
{
return psp == POWER_SUPPLY_PROP_CAPACITY;
return psp == POWER_SUPPLY_PROP_CAPACITY ||
psp == POWER_SUPPLY_PROP_CALIBRATE;
}
static enum power_supply_property sc27xx_fgu_props[] = {
@ -651,6 +661,7 @@ static enum power_supply_property sc27xx_fgu_props[] = {
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_CALIBRATE,
};
static const struct power_supply_desc sc27xx_fgu_desc = {