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Commit a58e1150 authored by srinivas pandruvada's avatar srinivas pandruvada Committed by Len Brown
Browse files

ACPI Battery: Added capacity 



Added Capacity field, which is a pre-defined power_supply
property. Calculating capacity using current charge/energy and
full charge/energy.
Some user mode implementations are relying on capacity field to
show battery strength and power down decision.

Signed-off-by: default avatarsrinivas pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent c5971456

drivers/acpi/battery.c

+9 −0
Original line number Diff line number Diff line
@@ -250,6 +250,13 @@ static int acpi_battery_get_property(struct power_supply *psy, 
		else

			val->intval = battery->capacity_now * 1000;

		break;

	case POWER_SUPPLY_PROP_CAPACITY:

		if (battery->capacity_now && battery->full_charge_capacity)

			val->intval = battery->capacity_now * 100/

					battery->full_charge_capacity;

		else

			val->intval = 0;

		break;

	case POWER_SUPPLY_PROP_MODEL_NAME:

		val->strval = battery->model_number;

		break;
@@ -276,6 +283,7 @@ static enum power_supply_property charge_battery_props[] = { 
	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,

	POWER_SUPPLY_PROP_CHARGE_FULL,

	POWER_SUPPLY_PROP_CHARGE_NOW,

	POWER_SUPPLY_PROP_CAPACITY,

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_MANUFACTURER,

	POWER_SUPPLY_PROP_SERIAL_NUMBER,
@@ -292,6 +300,7 @@ static enum power_supply_property energy_battery_props[] = { 
	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,

	POWER_SUPPLY_PROP_ENERGY_FULL,

	POWER_SUPPLY_PROP_ENERGY_NOW,

	POWER_SUPPLY_PROP_CAPACITY,

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_MANUFACTURER,

	POWER_SUPPLY_PROP_SERIAL_NUMBER,