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-rw-r--r--source/os_specific/service_layers/osunixxf.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/source/os_specific/service_layers/osunixxf.c b/source/os_specific/service_layers/osunixxf.c
index 413a708cc..c58bdfba2 100644
--- a/source/os_specific/service_layers/osunixxf.c
+++ b/source/os_specific/service_layers/osunixxf.c
@@ -433,6 +433,33 @@ AcpiOsPhysicalTableOverride (
/******************************************************************************
*
+ * FUNCTION: AcpiOsEnterSleep
+ *
+ * PARAMETERS: SleepState - Which sleep state to enter
+ * RegaValue - Register A value
+ * RegbValue - Register B value
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: A hook before writing sleep registers to enter the sleep
+ * state. Return AE_CTRL_SKIP to skip further sleep register
+ * writes.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsEnterSleep (
+ UINT8 SleepState,
+ UINT32 RegaValue,
+ UINT32 RegbValue)
+{
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
* FUNCTION: AcpiOsRedirectOutput
*
* PARAMETERS: Destination - An open file handle/pointer