From 74229f938434a8a48c01a39ab9f82ffc27faa7da Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 15 Aug 2017 22:04:58 +0200 Subject: [PATCH] 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: Hans de Goede Signed-off-by: Sebastian Reichel --- drivers/power/supply/bq24190_charger.c | 35 ++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index d5a707e..7360f42 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -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, -- 2.7.4