diff options
Diffstat (limited to 'drivers/acpi/battery.c')
| -rw-r--r-- | drivers/acpi/battery.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7dd3f9fb9f3f..45e3e1759fb8 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -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, @@ -1043,17 +1052,26 @@ static int acpi_battery_remove(struct acpi_device *device, int type) return 0; } +#ifdef CONFIG_PM_SLEEP /* this is needed to learn about changes made in suspended state */ -static int acpi_battery_resume(struct acpi_device *device) +static int acpi_battery_resume(struct device *dev) { struct acpi_battery *battery; - if (!device) + + if (!dev) return -EINVAL; - battery = acpi_driver_data(device); + + battery = acpi_driver_data(to_acpi_device(dev)); + if (!battery) + return -EINVAL; + battery->update_time = 0; acpi_battery_update(battery); return 0; } +#endif + +static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); static struct acpi_driver acpi_battery_driver = { .name = "battery", @@ -1062,10 +1080,10 @@ static struct acpi_driver acpi_battery_driver = { .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, .ops = { .add = acpi_battery_add, - .resume = acpi_battery_resume, .remove = acpi_battery_remove, .notify = acpi_battery_notify, }, + .drv.pm = &acpi_battery_pm, }; static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) |