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authorLen Brown <len.brown@intel.com>2007-11-20 01:17:42 -0500
committerLen Brown <len.brown@intel.com>2007-11-20 01:17:42 -0500
commit86533e80e0a20ed1a676f9eeb2dde0fa5ff23276 (patch)
treec645c87f236c42134bf7e06f7cc971685f4b5a5b /drivers/acpi
parent2ffbb8377c7a0713baf6644e285adc27a5654582 (diff)
parent037cbc63fd83162a8ee0c69680207ce4609adbea (diff)
Pull battery into release branch
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/sbs.c25
2 files changed, 19 insertions, 8 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 192c244f619..2e8e790c118 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -153,6 +153,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else if (battery->state == 0)
val->intval = POWER_SUPPLY_STATUS_FULL;
+ else
+ val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = acpi_battery_present(battery);
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 90fd09c65f9..73c1ba31429 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -113,6 +113,7 @@ struct acpi_battery {
u16 spec;
u8 id;
u8 present:1;
+ u8 have_sysfs_alarm:1;
};
#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
@@ -808,7 +809,13 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
}
battery->bat.get_property = acpi_sbs_battery_get_property;
result = power_supply_register(&sbs->device->dev, &battery->bat);
- device_create_file(battery->bat.dev, &alarm_attr);
+ if (result)
+ goto end;
+ result = device_create_file(battery->bat.dev, &alarm_attr);
+ if (result)
+ goto end;
+ battery->have_sysfs_alarm = 1;
+ end:
printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
battery->name, sbs->battery->present ? "present" : "absent");
@@ -817,14 +824,16 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
- if (sbs->battery[id].bat.dev)
- device_remove_file(sbs->battery[id].bat.dev, &alarm_attr);
- power_supply_unregister(&sbs->battery[id].bat);
-#ifdef CONFIG_ACPI_PROCFS
- if (sbs->battery[id].proc_entry) {
- acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry),
- acpi_battery_dir);
+ struct acpi_battery *battery = &sbs->battery[id];
+
+ if (battery->bat.dev) {
+ if (battery->have_sysfs_alarm)
+ device_remove_file(battery->bat.dev, &alarm_attr);
+ power_supply_unregister(&battery->bat);
}
+#ifdef CONFIG_ACPI_PROCFS
+ if (battery->proc_entry)
+ acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir);
#endif
}