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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-19 13:12:46 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-19 13:12:46 -0700
commitc4ec20717313daafba59225f812db89595952b83 (patch)
tree253337453b1dc965c40668e4949337ed1c46cab7 /drivers/acpi/ac.c
parentec2626815bf9a9922e49820b03e670e833f3ca3c (diff)
parent00a2b433557f10736e8a02de619b3e9052556c12 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (41 commits) ACPICA: hw: Don't carry spinlock over suspend ACPICA: hw: remove use_lock flag from acpi_hw_register_{read, write} ACPI: cpuidle: port idle timer suspend/resume workaround to cpuidle ACPI: clean up acpi_enter_sleep_state_prep Hibernation: Make sure that ACPI is enabled in acpi_hibernation_finish ACPI: suppress uninitialized var warning cpuidle: consolidate 2.6.22 cpuidle branch into one patch ACPI: thinkpad-acpi: skip blanks before the data when parsing sysfs ACPI: AC: Add sysfs interface ACPI: SBS: Add sysfs alarm ACPI: SBS: Add ACPI_PROCFS around procfs handling code. ACPI: SBS: Add support for power_supply class (and sysfs) ACPI: SBS: Make SBS reads table-driven. ACPI: SBS: Simplify data structures in SBS ACPI: SBS: Split host controller (ACPI0001) from SBS driver (ACPI0002) ACPI: EC: Add new query handler to list head. ACPI: Add acpi_bus_generate_event4() function ACPI: Battery: add sysfs alarm ACPI: Battery: Add sysfs support ACPI: Battery: Misc clean-ups, no functional changes ... Fix up conflicts in drivers/misc/thinkpad_acpi.[ch] manually
Diffstat (limited to 'drivers/acpi/ac.c')
-rw-r--r--drivers/acpi/ac.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 26d70702b31..e03de37a750 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -29,6 +29,7 @@
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <linux/power_supply.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@@ -72,16 +73,37 @@ static struct acpi_driver acpi_ac_driver = {
};
struct acpi_ac {
+ struct power_supply charger;
struct acpi_device * device;
unsigned long state;
};
+#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger);
+
static const struct file_operations acpi_ac_fops = {
.open = acpi_ac_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
+static int get_ac_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct acpi_ac *ac = to_acpi_ac(psy);
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = ac->state;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static enum power_supply_property ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
/* --------------------------------------------------------------------------
AC Adapter Management
@@ -208,6 +230,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
acpi_bus_generate_netlink_event(device->pnp.device_class,
device->dev.bus_id, event,
(u32) ac->state);
+ kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -244,7 +267,12 @@ static int acpi_ac_add(struct acpi_device *device)
result = acpi_ac_add_fs(device);
if (result)
goto end;
-
+ ac->charger.name = acpi_device_bid(device);
+ ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
+ ac->charger.properties = ac_props;
+ ac->charger.num_properties = ARRAY_SIZE(ac_props);
+ ac->charger.get_property = get_ac_property;
+ power_supply_register(&ac->device->dev, &ac->charger);
status = acpi_install_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify,
ac);
@@ -279,7 +307,8 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
status = acpi_remove_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify);
-
+ if (ac->charger.dev)
+ power_supply_unregister(&ac->charger);
acpi_ac_remove_fs(device);
kfree(ac);