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Commit 74229f93 authored by Hans de Goede's avatar Hans de Goede Committed by Sebastian Reichel
Browse files

power: supply: bq24190_charger: Add input_current_limit property 



Export the input current limit of the charger as a
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT property on the charger
power_supply class device.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
parent c3142dd8

drivers/power/supply/bq24190_charger.c

+35 −0
Original line number Diff line number Diff line
@@ -865,6 +865,33 @@ static int bq24190_charger_set_voltage(struct bq24190_dev_info *bdi, 
			ARRAY_SIZE(bq24190_cvc_vreg_values), val->intval);

}



static int bq24190_charger_get_iinlimit(struct bq24190_dev_info *bdi,

		union power_supply_propval *val)

{

	int iinlimit, ret;



	ret = bq24190_get_field_val(bdi, BQ24190_REG_ISC,

			BQ24190_REG_ISC_IINLIM_MASK,

			BQ24190_REG_ISC_IINLIM_SHIFT,

			bq24190_isc_iinlim_values,

			ARRAY_SIZE(bq24190_isc_iinlim_values), &iinlimit);

	if (ret < 0)

		return ret;



	val->intval = iinlimit;

	return 0;

}



static int bq24190_charger_set_iinlimit(struct bq24190_dev_info *bdi,

		const union power_supply_propval *val)

{

	return bq24190_set_field_val(bdi, BQ24190_REG_ISC,

			BQ24190_REG_ISC_IINLIM_MASK,

			BQ24190_REG_ISC_IINLIM_SHIFT,

			bq24190_isc_iinlim_values,

			ARRAY_SIZE(bq24190_isc_iinlim_values), val->intval);

}



static int bq24190_charger_get_property(struct power_supply *psy,

		enum power_supply_property psp, union power_supply_propval *val)

{
@@ -905,6 +932,9 @@ static int bq24190_charger_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:

		ret = bq24190_charger_get_voltage_max(bdi, val);

		break;

	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:

		ret = bq24190_charger_get_iinlimit(bdi, val);

		break;

	case POWER_SUPPLY_PROP_SCOPE:

		val->intval = POWER_SUPPLY_SCOPE_SYSTEM;

		ret = 0;
@@ -956,6 +986,9 @@ static int bq24190_charger_set_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:

		ret = bq24190_charger_set_voltage(bdi, val);

		break;

	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:

		ret = bq24190_charger_set_iinlimit(bdi, val);

		break;

	default:

		ret = -EINVAL;

	}
@@ -977,6 +1010,7 @@ static int bq24190_charger_property_is_writeable(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CHARGE_TYPE:

	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:

	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:

	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:

		ret = 1;

		break;

	default:
@@ -996,6 +1030,7 @@ static enum power_supply_property bq24190_charger_properties[] = { 
	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,

	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,

	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,

	POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,

	POWER_SUPPLY_PROP_SCOPE,

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_MANUFACTURER,