linux-kernel - [PATCH] ACPI suspend: Execute

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Date:	Wed, 13 Feb 2008 00:32:16 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Len Brown <lenb@...nel.org>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mirco Tischler <mt-ml@....de>, Pavel Machek <pavel@....cz>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: [PATCH] ACPI suspend: Execute _WAK with the right argument

From: Rafael J. Wysocki <rjw@...k.pl>

The _WAK global ACPI control method has to be called with the
argument representing the sleep state being exited.  Make it happen.

Special thanks to Mirco Tischler <mt-ml@....de> for reporting the
problem and debugging.

Reported-by: Mirco Tischler <mt-ml@....de>
Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/acpi/hardware/hwsleep.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/drivers/acpi/hardware/hwsleep.c
===================================================================
--- linux-2.6.orig/drivers/acpi/hardware/hwsleep.c
+++ linux-2.6/drivers/acpi/hardware/hwsleep.c
@@ -616,6 +616,7 @@ acpi_status acpi_leave_sleep_state(u8 sl
 		return_ACPI_STATUS(status);
 	}
 
+	arg.integer.value = sleep_state;
 	status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
 		ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));
--
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