power: supply: core: Add power_supply_prop_precharge
Battery chargers use POWER_SUPPLY_PROP_PRECHARGE_CURRENT Clarify related item POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT Signed-off-by: Liam Breck <kernel@networkimprov.net> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>hifive-unleashed-5.1
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@ -115,28 +115,33 @@ of charge when battery became full/empty". It also could mean "value of
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charge when battery considered full/empty at given conditions (temperature,
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charge when battery considered full/empty at given conditions (temperature,
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age)". I.e. these attributes represents real thresholds, not design values.
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age)". I.e. these attributes represents real thresholds, not design values.
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ENERGY_FULL, ENERGY_EMPTY - same as above but for energy.
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CHARGE_COUNTER - the current charge counter (in µAh). This could easily
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CHARGE_COUNTER - the current charge counter (in µAh). This could easily
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be negative; there is no empty or full value. It is only useful for
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be negative; there is no empty or full value. It is only useful for
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relative, time-based measurements.
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relative, time-based measurements.
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PRECHARGE_CURRENT - the maximum charge current during precharge phase
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of charge cycle (typically 20% of battery capacity).
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CHARGE_TERM_CURRENT - Charge termination current. The charge cycle
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terminates when battery voltage is above recharge threshold, and charge
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current is below this setting (typically 10% of battery capacity).
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CONSTANT_CHARGE_CURRENT - constant charge current programmed by charger.
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CONSTANT_CHARGE_CURRENT - constant charge current programmed by charger.
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CONSTANT_CHARGE_CURRENT_MAX - maximum charge current supported by the
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CONSTANT_CHARGE_CURRENT_MAX - maximum charge current supported by the
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power supply object.
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power supply object.
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INPUT_CURRENT_LIMIT - input current limit programmed by charger. Indicates
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the current drawn from a charging source.
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CHARGE_TERM_CURRENT - Charge termination current used to detect the end of charge
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condition.
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CALIBRATE - battery or coulomb counter calibration status
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CONSTANT_CHARGE_VOLTAGE - constant charge voltage programmed by charger.
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CONSTANT_CHARGE_VOLTAGE - constant charge voltage programmed by charger.
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CONSTANT_CHARGE_VOLTAGE_MAX - maximum charge voltage supported by the
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CONSTANT_CHARGE_VOLTAGE_MAX - maximum charge voltage supported by the
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power supply object.
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power supply object.
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INPUT_CURRENT_LIMIT - input current limit programmed by charger. Indicates
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the current drawn from a charging source.
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CHARGE_CONTROL_LIMIT - current charge control limit setting
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CHARGE_CONTROL_LIMIT - current charge control limit setting
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CHARGE_CONTROL_LIMIT_MAX - maximum charge control limit setting
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CHARGE_CONTROL_LIMIT_MAX - maximum charge control limit setting
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ENERGY_FULL, ENERGY_EMPTY - same as above but for energy.
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CALIBRATE - battery or coulomb counter calibration status
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CAPACITY - capacity in percents.
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CAPACITY - capacity in percents.
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CAPACITY_ALERT_MIN - minimum capacity alert value in percents.
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CAPACITY_ALERT_MIN - minimum capacity alert value in percents.
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@ -242,6 +242,7 @@ static struct device_attribute power_supply_attrs[] = {
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POWER_SUPPLY_ATTR(time_to_full_avg),
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POWER_SUPPLY_ATTR(time_to_full_avg),
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POWER_SUPPLY_ATTR(type),
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POWER_SUPPLY_ATTR(type),
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POWER_SUPPLY_ATTR(scope),
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POWER_SUPPLY_ATTR(scope),
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POWER_SUPPLY_ATTR(precharge_current),
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POWER_SUPPLY_ATTR(charge_term_current),
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POWER_SUPPLY_ATTR(charge_term_current),
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POWER_SUPPLY_ATTR(calibrate),
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POWER_SUPPLY_ATTR(calibrate),
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/* Properties of type `const char *' */
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/* Properties of type `const char *' */
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@ -146,6 +146,7 @@ enum power_supply_property {
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POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
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POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
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POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
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POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
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POWER_SUPPLY_PROP_SCOPE,
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POWER_SUPPLY_PROP_SCOPE,
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POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
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POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
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POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
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POWER_SUPPLY_PROP_CALIBRATE,
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POWER_SUPPLY_PROP_CALIBRATE,
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/* Properties of type `const char *' */
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/* Properties of type `const char *' */
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@ -382,6 +383,8 @@ static inline bool power_supply_is_amp_property(enum power_supply_property psp)
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case POWER_SUPPLY_PROP_CHARGE_NOW:
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case POWER_SUPPLY_PROP_CHARGE_NOW:
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case POWER_SUPPLY_PROP_CHARGE_AVG:
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case POWER_SUPPLY_PROP_CHARGE_AVG:
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case POWER_SUPPLY_PROP_CHARGE_COUNTER:
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case POWER_SUPPLY_PROP_CHARGE_COUNTER:
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case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
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case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
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case POWER_SUPPLY_PROP_CURRENT_MAX:
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case POWER_SUPPLY_PROP_CURRENT_MAX:
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