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Commit ef9bf4d1 authored by Xiaozhe Shi's avatar Xiaozhe Shi
Browse files

power: qpnp-charger: make the battery capacity writeable 



There are some applications that may want to fake a battery state of
charge (SoC). To standarize this on different devices, make the battery
power supply capacity property writeable.

Change-Id: I75fd301febb994032de8b07c1d58bb38ffdc2c55
Signed-off-by: default avatarXiaozhe Shi <xiaozhes@codeaurora.org>
parent b5b762bb

drivers/power/qpnp-charger.c

+10 −0
Original line number Diff line number Diff line
@@ -340,6 +340,7 @@ struct qpnp_chg_chip { 
	unsigned int			cold_batt_p;

	int				warm_bat_decidegc;

	int				cool_bat_decidegc;

	int				fake_battery_soc;

	unsigned int			safe_current;

	unsigned int			revision;

	unsigned int			type;
@@ -1692,6 +1693,7 @@ qpnp_batt_property_is_writeable(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_VOLTAGE_MIN:

	case POWER_SUPPLY_PROP_COOL_TEMP:

	case POWER_SUPPLY_PROP_WARM_TEMP:

	case POWER_SUPPLY_PROP_CAPACITY:

		return 1;

	default:

		break;
@@ -2047,6 +2049,9 @@ get_prop_capacity(struct qpnp_chg_chip *chip) 
	union power_supply_propval ret = {0,};

	int battery_status, bms_status, soc, charger_in;



	if (chip->fake_battery_soc >= 0)

		return chip->fake_battery_soc;



	if (chip->use_default_batt_values || !get_prop_batt_present(chip))

		return DEFAULT_CAPACITY;
@@ -3537,6 +3542,10 @@ qpnp_batt_power_set_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_WARM_TEMP:

		rc = qpnp_chg_configure_jeita(chip, psp, val->intval);

		break;

	case POWER_SUPPLY_PROP_CAPACITY:

		chip->fake_battery_soc = val->intval;

		power_supply_changed(&chip->batt_psy);

		break;

	case POWER_SUPPLY_PROP_CHARGING_ENABLED:

		chip->charging_disabled = !(val->intval);

		if (chip->charging_disabled) {
@@ -4374,6 +4383,7 @@ qpnp_charger_probe(struct spmi_device *spmi) 
	}



	chip->prev_usb_max_ma = -EINVAL;

	chip->fake_battery_soc = -EINVAL;

	chip->dev = &(spmi->dev);

	chip->spmi = spmi;