ACPI: Make sysfs interface in ACPI power optional.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9494
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 76ed4f5..76b9bea 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -31,7 +31,9 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
#include <linux/power_supply.h>
+#endif
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@@ -79,7 +81,9 @@
};
struct acpi_ac {
+#ifdef CONFIG_ACPI_SYSFS_POWER
struct power_supply charger;
+#endif
struct acpi_device * device;
unsigned long state;
};
@@ -94,7 +98,7 @@
.release = single_release,
};
#endif
-
+#ifdef CONFIG_ACPI_SYSFS_POWER
static int get_ac_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@@ -113,7 +117,7 @@
static enum power_supply_property ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
-
+#endif
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@@ -241,7 +245,9 @@
acpi_bus_generate_netlink_event(device->pnp.device_class,
device->dev.bus_id, 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,
@@ -280,12 +286,14 @@
#endif
if (result)
goto end;
+#ifdef CONFIG_ACPI_SYSFS_POWER
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);
+#endif
status = acpi_install_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify,
ac);
@@ -319,8 +327,10 @@
old_state = ac->state;
if (acpi_ac_get_state(ac))
return 0;
+#ifdef CONFIG_ACPI_SYSFS_POWER
if (old_state != ac->state)
kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+#endif
return 0;
}
@@ -337,8 +347,10 @@
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);
+#endif
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_remove_fs(device);
#endif