ACPI: battery: Convert discharge energy rate to current properly

[linux-2.6-omap-h63xx.git] / drivers / acpi / battery.c

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 70f7f60929ca552f87dfa819dd93296abd3cea60..a0a178dd189c3259fcc82f323b6c4011fe1442a4 100644 (file)
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -46,7 +46,6 @@
 
 #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
 
-#define ACPI_BATTERY_COMPONENT         0x00040000
 #define ACPI_BATTERY_CLASS             "battery"
 #define ACPI_BATTERY_DEVICE_NAME       "Battery"
 #define ACPI_BATTERY_NOTIFY_STATUS     0x80
@@ -175,6 +174,15 @@ static int acpi_battery_get_property(struct power_supply *psy,
                break;
        case POWER_SUPPLY_PROP_CURRENT_NOW:
                val->intval = battery->current_now * 1000;
+               /* if power units are mW, convert to mA by
+                  dividing by current voltage (mV/1000) */
+               if (!battery->power_unit) {
+                       if (battery->voltage_now) {
+                               val->intval /= battery->voltage_now;
+                               val->intval *= 1000;
+                       } else
+                               val->intval = -1;
+               }
                break;
        case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
        case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
@@ -782,7 +790,7 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
        acpi_bus_generate_proc_event(device, event,
                                     acpi_battery_present(battery));
        acpi_bus_generate_netlink_event(device->pnp.device_class,
-                                       device->dev.bus_id, event,
+                                       dev_name(&device->dev), event,
                                        acpi_battery_present(battery));
 #ifdef CONFIG_ACPI_SYSFS_POWER
        /* acpi_batter_update could remove power_supply object */
@@ -804,7 +812,7 @@ static int acpi_battery_add(struct acpi_device *device)
        battery->device = device;
        strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
        strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
-       acpi_driver_data(device) = battery;
+       device->driver_data = battery;
        mutex_init(&battery->lock);
        acpi_battery_update(battery);
 #ifdef CONFIG_ACPI_PROCFS_POWER