di->empty_uAh = battery_interpolate(scale, di->temp_C / 10);
di->empty_uAh *= 1000; /* convert to µAh */
- /* From Maxim Application Note 131: remaining capacity =
- * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
- di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
- (di->full_active_uAh - di->empty_uAh);
+ if (di->full_active_uAh == di->empty_uAh)
+ di->rem_capacity = 0;
+ else
+ /* From Maxim Application Note 131: remaining capacity =
+ * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
+ di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
+ (di->full_active_uAh - di->empty_uAh);
if (di->rem_capacity < 0)
di->rem_capacity = 0;
if (di->charge_status != old_charge_status)
power_supply_changed(&di->bat);
-
- return;
}
static void ds2760_battery_work(struct work_struct *work)
struct ds2760_device_info, monitor_work.work);
const int interval = HZ * 60;
- dev_dbg(di->dev, "%s\n", __FUNCTION__);
+ dev_dbg(di->dev, "%s\n", __func__);
ds2760_battery_update_status(di);
queue_delayed_work(di->monitor_wqueue, &di->monitor_work, interval);
-
- return;
}
#define to_ds2760_device_info(x) container_of((x), struct ds2760_device_info, \
{
struct ds2760_device_info *di = to_ds2760_device_info(psy);
- dev_dbg(di->dev, "%s\n", __FUNCTION__);
+ dev_dbg(di->dev, "%s\n", __func__);
cancel_delayed_work(&di->monitor_work);
queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
-
- return;
}
static int ds2760_battery_get_property(struct power_supply *psy,
pdata = pdev->dev.platform_data;
di->dev = &pdev->dev;
di->w1_dev = pdev->dev.parent;
- di->bat.name = pdev->dev.bus_id;
+ di->bat.name = dev_name(&pdev->dev);
di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
di->bat.properties = ds2760_battery_props;
di->bat.num_properties = ARRAY_SIZE(ds2760_battery_props);
retval = power_supply_register(&pdev->dev, &di->bat);
if (retval) {
- dev_err(di->dev, "failed to register battery");
+ dev_err(di->dev, "failed to register battery\n");
goto batt_failed;
}
INIT_DELAYED_WORK(&di->monitor_work, ds2760_battery_work);
- di->monitor_wqueue = create_singlethread_workqueue(pdev->dev.bus_id);
+ di->monitor_wqueue = create_singlethread_workqueue(dev_name(&pdev->dev));
if (!di->monitor_wqueue) {
retval = -ESRCH;
goto workqueue_failed;
#endif /* CONFIG_PM */
+MODULE_ALIAS("platform:ds2760-battery");
+
static struct platform_driver ds2760_battery_driver = {
.driver = {
.name = "ds2760-battery",
static void __exit ds2760_battery_exit(void)
{
platform_driver_unregister(&ds2760_battery_driver);
- return;
}
module_init(ds2760_battery_init);