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Commit d52c79ac authored by Bob Moore's avatar Bob Moore Committed by Len Brown
Browse files

ACPICA: Fix to make _SST method optional 

Fixes a problem introduced in 20080514 where the status of
execution of _SST is incorrectly returned to the caller. _SST
is optional, and if it is AE_NOT_FOUND, the exception should be
ignored.

http://www.acpica.org/bugzilla/show_bug.cgi?id=716



Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 0bda3f2f

drivers/acpi/hardware/hwsleep.c

+5 −3
Original line number Diff line number Diff line
@@ -223,15 +223,17 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) 
		break;

	}



	/* Set the system indicators to show the desired sleep state. */



	/*

	 * Set the system indicators to show the desired sleep state.

	 * _SST is an optional method (return no error if not found)

	 */

	status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);

	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {

		ACPI_EXCEPTION((AE_INFO, status,

				"While executing method _SST"));

	}



	return_ACPI_STATUS(status);

	return_ACPI_STATUS(AE_OK);

}



ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)