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Commit 7cfd33d9 authored by Yuanjiang Yu's avatar Yuanjiang Yu Committed by Sebastian Reichel
Browse files

power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute 



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

Signed-off-by: default avatarYuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 58066527

drivers/power/supply/sc27xx_fuel_gauge.c

+19 −8
Original line number Diff line number Diff line
@@ -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",
@@ -610,17 +611,25 @@ 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);



	switch (psp) {

	case POWER_SUPPLY_PROP_CAPACITY:

		ret = sc27xx_fgu_save_last_cap(data, val->intval);



	mutex_unlock(&data->lock);



		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);



	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 = {