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Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
[pandora-kernel.git]
/
drivers
/
acpi
/
battery.c
diff --git
a/drivers/acpi/battery.c
b/drivers/acpi/battery.c
index
0b2707e
..
95649d3
100644
(file)
--- a/
drivers/acpi/battery.c
+++ b/
drivers/acpi/battery.c
@@
-181,6
+181,7
@@
static int acpi_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
enum power_supply_property psp,
union power_supply_propval *val)
{
+ int ret = 0;
struct acpi_battery *battery = to_acpi_battery(psy);
if (acpi_battery_present(battery)) {
struct acpi_battery *battery = to_acpi_battery(psy);
if (acpi_battery_present(battery)) {
@@
-209,26
+210,44
@@
static int acpi_battery_get_property(struct power_supply *psy,
val->intval = battery->cycle_count;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
val->intval = battery->cycle_count;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
- val->intval = battery->design_voltage * 1000;
+ if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->design_voltage * 1000;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- val->intval = battery->voltage_now * 1000;
+ if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->voltage_now * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_POWER_NOW:
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_POWER_NOW:
- val->intval = battery->rate_now * 1000;
+ if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->rate_now * 1000;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
- val->intval = battery->design_capacity * 1000;
+ if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->design_capacity * 1000;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
case POWER_SUPPLY_PROP_ENERGY_FULL:
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
case POWER_SUPPLY_PROP_ENERGY_FULL:
- val->intval = battery->full_charge_capacity * 1000;
+ if (battery->full_charge_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->full_charge_capacity * 1000;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
case POWER_SUPPLY_PROP_ENERGY_NOW:
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
case POWER_SUPPLY_PROP_ENERGY_NOW:
- val->intval = battery->capacity_now * 1000;
+ if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN)
+ ret = -ENODEV;
+ else
+ val->intval = battery->capacity_now * 1000;
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = battery->model_number;
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = battery->model_number;
@@
-240,9
+259,9
@@
static int acpi_battery_get_property(struct power_supply *psy,
val->strval = battery->serial_number;
break;
default:
val->strval = battery->serial_number;
break;
default:
- ret
urn
-EINVAL;
+ ret
=
-EINVAL;
}
}
- return
0
;
+ return
ret
;
}
static enum power_supply_property charge_battery_props[] = {
}
static enum power_supply_property charge_battery_props[] = {