[PATCH] ACPI suspend: Execute _WAK with the right argument

Rafael J. Wysocki
2008-02-12T23:34:10Z

From: Rafael J. Wysocki <rjw@sisk.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@gmx.de> for reporting the
problem and debugging.

Reported-by: Mirco Tischler <mt-ml@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.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"));