diff options
Diffstat (limited to 'sys/contrib/dev/acpica/hwsleep.c')
| -rw-r--r-- | sys/contrib/dev/acpica/hwsleep.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/contrib/dev/acpica/hwsleep.c b/sys/contrib/dev/acpica/hwsleep.c index d58e3a538cf5..cc4aae2761d3 100644 --- a/sys/contrib/dev/acpica/hwsleep.c +++ b/sys/contrib/dev/acpica/hwsleep.c @@ -2,7 +2,7 @@ /****************************************************************************** * * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface - * $Revision: 12 $ + * $Revision: 14 $ * *****************************************************************************/ @@ -283,7 +283,7 @@ AcpiEnterSleepState ( PM1AControl |= (TypeA << AcpiHwGetBitShift (SLP_TYPE_X_MASK)); PM1BControl |= (TypeB << AcpiHwGetBitShift (SLP_TYPE_X_MASK)); - /* write #1: fill in SLP_TYPE data */ + /* write #1: fill in SLP_TYP data */ AcpiHwRegisterWrite(ACPI_MTX_LOCK, PM1A_CONTROL, PM1AControl); AcpiHwRegisterWrite(ACPI_MTX_LOCK, PM1B_CONTROL, PM1BControl); @@ -291,10 +291,16 @@ AcpiEnterSleepState ( PM1AControl |= (1 << AcpiHwGetBitShift (SLP_EN_MASK)); PM1BControl |= (1 << AcpiHwGetBitShift (SLP_EN_MASK)); - /* write #2: the whole tamale */ + /* write #2: SLP_TYP + SLP_EN */ AcpiHwRegisterWrite(ACPI_MTX_LOCK, PM1A_CONTROL, PM1AControl); AcpiHwRegisterWrite(ACPI_MTX_LOCK, PM1B_CONTROL, PM1BControl); + /* wait a second, then try again */ + AcpiOsStall(1000000); + + AcpiHwRegisterWrite(ACPI_MTX_LOCK, PM1_CONTROL, + (1 << AcpiHwGetBitShift (SLP_EN_MASK))); + enable(); return_ACPI_STATUS (AE_OK); |