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correct handling of _SI.SST method as it is described in ACPI spec.

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This commit is contained in:
kochi 2003-12-21 10:27:23 +00:00
parent 83f8b02df2
commit 392db58804
1 changed files with 34 additions and 2 deletions
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36
sys/dev/acpi/acpica/Subsystem/hwsleep.c
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@ -116,7 +116,7 @@
*****************************************************************************/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hwsleep.c,v 1.10 2003/12/21 07:51:18 kochi Exp $");
__KERNEL_RCSID(0, "$NetBSD: hwsleep.c,v 1.11 2003/12/21 10:27:23 kochi Exp $");
#include "acpi.h"
@ -267,6 +267,28 @@ AcpiEnterSleepStatePrep (
/* Set the system indicators to show the desired sleep state. */
switch (SleepState)
{
case ACPI_STATE_S0:
/* _SST 1: Working */
Arg.Integer.Value = 1;
break;
case ACPI_STATE_S1:
case ACPI_STATE_S2:
case ACPI_STATE_S3:
/* _SST 3: Sleeping. Used to indicate system state S1, S2 or S3. */
Arg.Integer.Value = 3;
break;
case ACPI_STATE_S4:
/* _SST 4: Sleeping with context saved to non-volatile storage. */
Arg.Integer.Value = 4;
break;
case ACPI_STATE_S5:
/* _SST 0: No system state indication. Indicator off. */
Arg.Integer.Value = 0;
break;
}
Status = AcpiEvaluateObject (NULL, "\\_SI._SST", &ArgList, NULL);
if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
{
@ -558,7 +580,8 @@ AcpiLeaveSleepState (
/* Ignore any errors from these methods */
Arg.Integer.Value = 0;
/* _SST 2: Waking */
Arg.Integer.Value = 2;
Status = AcpiEvaluateObject (NULL, "\\_SI._SST", &ArgList, NULL);
if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
{
@ -589,5 +612,14 @@ AcpiLeaveSleepState (
/* Enable BM arbitration */
Status = AcpiSetRegister (ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_LOCK);
/* _SST 1: Working */
Arg.Integer.Value = 1;
Status = AcpiEvaluateObject (NULL, "\\_SI._SST", &ArgList, NULL);
if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
{
ACPI_REPORT_ERROR (("Method _SST failed, %s\n", AcpiFormatException (Status)));
}
return_ACPI_STATUS (Status);
}