ACPI / Button: Avoid disabling wakeup unnecessarily on remove

If a button device had already been enabled to wake up the system
from sleep states before the button driver saw it, the driver
shouldn't disable the device's wakeup capability when being detached
from the device.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2011-02-08 23:41:13 +01:00
commit c19f9a84ec