[PATCH] acpi/method: fix _SxW which can return 4

[Alex Hung]

ACPI spec allows _SxW to return 4 for D3cold as the following:

"If it has indicated _PR3 support, the value "3" represents D3hot and
the value "4" represents D3cold."

Signed-off-by: Alex Hung <alex.hung at canonical.com>
---
 src/acpi/method/method.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
index c4939087..b857913c 100644
--- a/src/acpi/method/method.c
+++ b/src/acpi/method/method.c
@@ -1583,7 +1583,7 @@ method_test_SxD(_S4D)
 #define method_test_SxW(name)						\
 static int method_test ## name(fwts_framework *fw)			\
 {									\
-	uint64_t max = 3;						\
+	uint64_t max = 4;						\
 	return method_evaluate_method(fw, METHOD_OPTIONAL,		\
 		# name, NULL, 0, fwts_method_test_integer_max_return, &max);	\
 }
-- 
2.25.1