[PATCH 2/5] acpi: method: Add new ACPI 5.0 _PRE

[Alex Hung]

On 07/02/2012 08:15 PM, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>   src/acpi/method/method.c |   24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
>
> diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
> index 06fb7de..afe6e75 100644
> --- a/src/acpi/method/method.c
> +++ b/src/acpi/method/method.c
> @@ -92,6 +92,7 @@
>    * _PPC  8.4.4.3	N
>    * _PR   5.3.1		N
>    * _PR0  7.2.7		N
> + * _PRE  7.2.12		Y
>    * _PRS  6.2.11		N
>    * _PRW  7.2.11		N
>    * _PS0  7.2.2		Y
> @@ -1754,6 +1755,28 @@ static int method_test_PSE(fwts_framework *fw)
>   	return method_evaluate_method(fw, METHOD_OPTIONAL, "_PSE", arg, 1, method_test_NULL_return, NULL);
>   }
>
> +static void method_test_PRE_return(fwts_framework *fw, char *name, ACPI_BUFFER *buf, ACPI_OBJECT *obj, void *private)
> +{
> +	int i;
> +
> +	if (method_check_type(fw, name, buf, ACPI_TYPE_PACKAGE) != FWTS_OK)
> +		return;
> +
> +	/* All elements in the package must be references */
> +	for (i=0; i < obj->Package.Count; i++) {
> +		if (obj->Package.Elements[i].Type != ACPI_TYPE_LOCAL_REFERENCE) {
> +			fwts_failed(fw, LOG_LEVEL_MEDIUM, "Method_PREElementType",
> +			"_PRE package element %d was not a reference.", i);
> +			fwts_tag_failed(fw, FWTS_TAG_ACPI_METHOD_RETURN);
> +		}
> +	}
> +}
> +
> +static int method_test_PRE(fwts_framework *fw)
> +{
> +	return method_evaluate_method(fw, METHOD_OPTIONAL, "_PRE", NULL, 0, method_test_PRE_return, NULL);
> +}
> +
>   #define method_test_PSx(name)				\
>   static int method_test ## name(fwts_framework *fw)	\
>   {							\
> @@ -2105,6 +2128,7 @@ static fwts_framework_minor_test method_tests[] = {
>   	{ method_test_PSE, "Check _PSE (Power State for Enumeration)." },
>   	{ method_test_PSW, "Check _PSW (Power State Wake)." },
>   	{ method_test_IRC, "Check _IRC (In Rush Current)." },
> +	{ method_test_PRE, "Check _PRE (Power Resources for Enumeration)." },
>
>   	/* Section 6.3 */
>   	{ method_test_EJD, "Check _EJD (Ejection Dependent Device)." },
>
Acked-by: Alex Hung <alex.hung at canonical.com>