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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>
wifi-calibration
Arnaud Patard 2006-04-27 05:25:00 -04:00 committed by Len Brown
parent d8c3291c73
commit 872d83d00f
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/sleep/main.c
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@ -105,6 +105,14 @@ static int acpi_pm_enter(suspend_state_t pm_state)
default:
return -EINVAL;
}
/* ACPI 3.0 specs (P62) says that it's the responsabilty
* of the OSPM to clear the status bit [ implying that the
* POWER_BUTTON event should not reach userspace ]
*/
if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
local_irq_restore(flags);
printk(KERN_DEBUG "Back to C!\n");