diff options
| -rw-r--r-- | drivers/acpi/battery.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 2a31421e0d7..68bc227e7c4 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -631,6 +631,17 @@ static int acpi_battery_update(struct acpi_battery *battery) return result; } +static void acpi_battery_refresh(struct acpi_battery *battery) +{ + if (!battery->bat.dev) + return; + + acpi_battery_get_info(battery); + /* The battery may have changed its reporting units. */ + sysfs_remove_battery(battery); + sysfs_add_battery(battery); +} + /* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ @@ -916,6 +927,8 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event) if (!battery) return; old = battery->bat.dev; + if (event == ACPI_BATTERY_NOTIFY_INFO) + acpi_battery_refresh(battery); acpi_battery_update(battery); acpi_bus_generate_proc_event(device, event, acpi_battery_present(battery)); @@ -985,6 +998,7 @@ static int acpi_battery_resume(struct acpi_device *device) if (!device) return -EINVAL; battery = acpi_driver_data(device); + acpi_battery_refresh(battery); battery->update_time = 0; acpi_battery_update(battery); return 0; |