#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/types.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_AC_COMPONENT 0x00020000
+#define PREFIX "ACPI: "
+
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_AC_DEVICE_NAME "AC Adapter"
#define ACPI_AC_FILE_STATE "state"
static int acpi_ac_add(struct acpi_device *device);
static int acpi_ac_remove(struct acpi_device *device, int type);
static int acpi_ac_resume(struct acpi_device *device);
+static void acpi_ac_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id ac_device_ids[] = {
{"ACPI0003", 0},
.name = "ac",
.class = ACPI_AC_CLASS,
.ids = ac_device_ids,
+ .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
.ops = {
.add = acpi_ac_add,
.remove = acpi_ac_remove,
.resume = acpi_ac_resume,
+ .notify = acpi_ac_notify,
},
};
struct power_supply charger;
#endif
struct acpi_device * device;
- unsigned long state;
+ unsigned long long state;
};
#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger);
acpi_ac_dir);
if (!acpi_device_dir(device))
return -ENODEV;
- acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'state' [R] */
Driver Model
-------------------------------------------------------------------------- */
-static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_ac_notify(struct acpi_device *device, u32 event)
{
- struct acpi_ac *ac = data;
- struct acpi_device *device = NULL;
+ struct acpi_ac *ac = acpi_driver_data(device);
if (!ac)
return;
- device = ac->device;
switch (event) {
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Unsupported event [0x%x]\n", event));
case ACPI_AC_NOTIFY_STATUS:
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
acpi_ac_get_state(ac);
acpi_bus_generate_proc_event(device, event, (u32) ac->state);
acpi_bus_generate_netlink_event(device->pnp.device_class,
- device->dev.bus_id, event,
+ dev_name(&device->dev), event,
(u32) ac->state);
+ acpi_notifier_call_chain(device, event, (u32) ac->state);
#ifdef CONFIG_ACPI_SYSFS_POWER
kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
#endif
- break;
- default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
- break;
}
return;
static int acpi_ac_add(struct acpi_device *device)
{
int result = 0;
- acpi_status status = AE_OK;
struct acpi_ac *ac = NULL;
ac->device = device;
strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_AC_CLASS);
- acpi_driver_data(device) = ac;
+ device->driver_data = ac;
result = acpi_ac_get_state(ac);
if (result)
ac->charger.get_property = get_ac_property;
power_supply_register(&ac->device->dev, &ac->charger);
#endif
- status = acpi_install_notify_handler(device->handle,
- ACPI_ALL_NOTIFY, acpi_ac_notify,
- ac);
- if (ACPI_FAILURE(status)) {
- result = -ENODEV;
- goto end;
- }
printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
acpi_device_name(device), acpi_device_bid(device),
static int acpi_ac_remove(struct acpi_device *device, int type)
{
- acpi_status status = AE_OK;
struct acpi_ac *ac = NULL;
ac = acpi_driver_data(device);
- status = acpi_remove_notify_handler(device->handle,
- ACPI_ALL_NOTIFY, acpi_ac_notify);
#ifdef CONFIG_ACPI_SYSFS_POWER
if (ac->charger.dev)
power_supply_unregister(&ac->charger);