[PATCH] acpi: method: add check for _ALR

[Colin Ian King]

On 07/10/14 07:43, Alex Hung wrote:
> Signed-off-by: Alex Hung <alex.hung at canonical.com>
> ---
>  src/acpi/method/method.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 75 insertions(+), 3 deletions(-)
> 
> diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
> index cb873cb..879e072 100644
> --- a/src/acpi/method/method.c
> +++ b/src/acpi/method/method.c
> @@ -38,7 +38,7 @@
>   * _ALC  9.2.5		Y
>   * _ALI  9.2.2		Y
>   * _ALP  9.2.6		Y
> - * _ALR  9.2.5		N
> + * _ALR  9.2.5		Y
>   * _ALT  9.2.3		Y
>   * _ALx  11.4.2		N
>   * _ART  11.4.3		Y
> @@ -3555,7 +3555,79 @@ method_test_integer(_ALC, METHOD_OPTIONAL)
>  method_test_integer(_ALI, METHOD_OPTIONAL)
>  method_test_integer(_ALT, METHOD_OPTIONAL)
>  
> -/* TODO _ALR */
> +static void method_test_ALR_return(
> +	fwts_framework *fw,
> +	char *name,
> +	ACPI_BUFFER *buf,
> +	ACPI_OBJECT *obj,
> +	void *private)
> +{
> +	uint32_t i;
> +	bool failed = false;
> +
> +	FWTS_UNUSED(private);
> +
> +	if (method_check_type(fw, name, buf, ACPI_TYPE_PACKAGE) != FWTS_OK)
> +		return;
> +
> +	/* Could be one or more sub-packages */
> +	for (i = 0; i < obj->Package.Count; i++) {
> +		ACPI_OBJECT *pkg;
> +		uint32_t adjustment = 0, illuminance = 0;
> +		bool elements_ok = true;
> +
> +		pkg = &obj->Package.Elements[i];
> +		if (pkg->Package.Count != 2) {
> +			fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +				"Method_ALRBadSubPackageElementCount",
> +				"%s sub-package %" PRIu32 " was expected to "
> +				"have 2 elements, got %" PRIu32 " elements instead.",
> +				name, i, pkg->Package.Count);
> +			failed = true;
> +			continue;
> +		} else {
> +			/* elements should be listed in monotonically increasing order */
> +			if (pkg->Package.Elements[0].Type != ACPI_TYPE_INTEGER ||
> +			    adjustment > pkg->Package.Elements[0].Integer.Value) {
> +				fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +					"Method_ALRBadSubPackageReturnType",
> +					"%s sub-package %" PRIu32
> +					" element 0 is an invalid integer.",
> +					name, i);
> +				elements_ok = false;
> +			}
> +
> +			if (pkg->Package.Elements[1].Type != ACPI_TYPE_INTEGER ||
> +			    illuminance > pkg->Package.Elements[1].Integer.Value) {
> +				fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +					"Method_ALRBadSubPackageReturnType",
> +					"%s sub-package %" PRIu32
> +					" element 1 is an invalid integer.",
> +					name, i);
> +				elements_ok = false;
> +			}
> +			adjustment = pkg->Package.Elements[0].Integer.Value;
> +			illuminance = pkg->Package.Elements[1].Integer.Value;
> +
> +		}
> +
> +		if (!elements_ok) {
> +			failed = true;
> +			continue;

minor point, we don't really need the continue;  I think it is redundant

> +		}
> +	}
> +
> +	if (!failed)
> +		method_passed_sane(fw, name, "package");
> +
> +	method_passed_sane(fw, name, "package");
> +}
> +
> +static int method_test_ALR(fwts_framework *fw)
> +{
> +	return method_evaluate_method(fw, METHOD_OPTIONAL,
> +		"_ALR", NULL, 0, method_test_ALR_return, NULL);
> +}
>  
>  static int method_test_ALP(fwts_framework *fw)
>  {
> @@ -5825,7 +5897,7 @@ static fwts_framework_minor_test method_tests[] = {
>  	{ method_test_ALI, "Test _ALI (Ambient Light Illuminance)." },
>  	{ method_test_ALT, "Test _ALT (Ambient Light Temperature)." },
>  	{ method_test_ALP, "Test _ALP (Ambient Light Polling). "},
> -	/* { method_test_ALR, "Test _ALR (Ambient Light Response). "}, */
> +	{ method_test_ALR, "Test _ALR (Ambient Light Response). "},
>  
>  	/* Section 9.3 Battery Device */
>  
>