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authorIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
commitd19b85db9d5c44a4c21dcb10d6fbadaa4425ab2a (patch)
tree250be7a5a29069f7d1f4524fa45ab0e988833025 /drivers/acpi/battery.c
parent490dea45d00f01847ebebd007685d564aaf2cd98 (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
Merge commit 'v2.6.29-rc1' into timers/urgent
Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 1423b0c0cd2..65132f92045 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -471,7 +471,7 @@ static void sysfs_remove_battery(struct acpi_battery *battery)
static int acpi_battery_update(struct acpi_battery *battery)
{
- int result;
+ int result, old_present = acpi_battery_present(battery);
result = acpi_battery_get_status(battery);
if (result)
return result;
@@ -482,7 +482,8 @@ static int acpi_battery_update(struct acpi_battery *battery)
return 0;
}
#endif
- if (!battery->update_time) {
+ if (!battery->update_time ||
+ old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);
if (result)
return result;