OMAP4: Intialize IVA Device in addition to DSP device.

[pandora-kernel.git] / drivers / acpi / battery.c

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index ac1a599..fcc13ac 100644 (file)
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -33,6 +33,7 @@
 #include <linux/async.h>
 #include <linux/dmi.h>
 #include <linux/slab.h>
+#include <linux/suspend.h>
 
 #ifdef CONFIG_ACPI_PROCFS_POWER
 #include <linux/proc_fs.h>
@@ -102,6 +103,7 @@ struct acpi_battery {
        struct mutex lock;
        struct power_supply bat;
        struct acpi_device *device;
+       struct notifier_block pm_nb;
        unsigned long update_time;
        int rate_now;
        int capacity_now;
@@ -940,6 +942,21 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
                power_supply_changed(&battery->bat);
 }
 
+static int battery_notify(struct notifier_block *nb,
+                              unsigned long mode, void *_unused)
+{
+       struct acpi_battery *battery = container_of(nb, struct acpi_battery,
+                                                   pm_nb);
+       switch (mode) {
+       case PM_POST_SUSPEND:
+               sysfs_remove_battery(battery);
+               sysfs_add_battery(battery);
+               break;
+       }
+
+       return 0;
+}
+
 static int acpi_battery_add(struct acpi_device *device)
 {
        int result = 0;
@@ -972,6 +989,10 @@ static int acpi_battery_add(struct acpi_device *device)
 #endif
                kfree(battery);
        }
+
+       battery->pm_nb.notifier_call = battery_notify;
+       register_pm_notifier(&battery->pm_nb);
+
        return result;
 }
 
@@ -982,6 +1003,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
        if (!device || !acpi_driver_data(device))
                return -EINVAL;
        battery = acpi_driver_data(device);
+       unregister_pm_notifier(&battery->pm_nb);
 #ifdef CONFIG_ACPI_PROCFS_POWER
        acpi_battery_remove_fs(device);
 #endif