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ACPI: battery: Fix CONFIG_ACPI_SYSFS_POWER=n

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Disabling CONFIG_ACPI_SYSFS_POWER changes the behaviour of
acpi_battery_update().  It will call acpi_battery_get_info()
even if the battery is not present.  I haven't noticed this
causing any problem, but it does look like a bad idea.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alan Jenkins 2009-06-30 14:35:05 +00:00 committed by Len Brown
parent 2eaa9cfdf3
commit e363a755e8
1 changed files with 2 additions and 2 deletions
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4
drivers/acpi/battery.c
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@ -567,13 +567,13 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_status(battery);
if (result)
return result;
#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
#endif
battery->update_time = 0;
return 0;
}
#endif
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);