https://bugzilla.kernel.org/show_bug.cgi?id=27372





--- Comment #32 from Rafael J. Wysocki <[email protected]>  2011-02-05 13:00:12 ---
Created an attachment (id=46462)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=46462)
ACPI / Wakeup: Enable button GPEs unconditionally

One of the things that we do differently after commit 9630bdd
(ACPI: Use GPE reference counting to support shared GPEs) is that we don't
enable button wakeup GPEs unconditionally in acpi_wakeup_device_init().

In theory, that may make a difference if the button driver is not loaded,
because in that case the sleep button/lid GPE is disabled during resume and
the _L18 method will not be executed.  In turn, if _L18 is executed, it
stores the value of \_SB.PCI0.LPC.EC.HWAK under \RRBF for _WAK to process.

The attached patch makes the sleep button/lid GPE be always enabled,
please test.

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