ACPI: suppress power button event on S3 resume
http://bugzilla.kernel.org/show_bug.cgi?id=6612 Note that this fix depends on a fix in ACPICA 20060608 to replace a semaphore with a spin-lock. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Acked-by: "Yu, Luming" <luming.yu@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -105,6 +105,14 @@ static int acpi_pm_enter(suspend_state_t pm_state)
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default:
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return -EINVAL;
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}
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/* ACPI 3.0 specs (P62) says that it's the responsabilty
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* of the OSPM to clear the status bit [ implying that the
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* POWER_BUTTON event should not reach userspace ]
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*/
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if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
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acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
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local_irq_restore(flags);
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printk(KERN_DEBUG "Back to C!\n");
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