[ros-diffs] [cgutman] 46416: [ACPI] * Add support for ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE and ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE * Cmbatt is able to set the battery trip point now

Author: cgutman
Date: Thu Mar 25 01:23:41 2010
New Revision: 46416

URL: http://svn.reactos.org/svn/reactos?rev=46416&view=rev
Log:
[ACPI]
 * Add support for ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE and ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE
 * Cmbatt is able to set the battery trip point now

Modified:
    trunk/reactos/drivers/bus/acpi/eval.c

Modified: trunk/reactos/drivers/bus/acpi/eval.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/eval.c?rev...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/eval.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/eval.c [iso-8859-1] Thu Mar 25 01:23:41 2010
@@ -23,11 +23,13 @@
 {
   ULONG Signature;
   NTSTATUS Status;
-  ACPI_OBJECT_LIST *ParamList;
+  ACPI_OBJECT_LIST ParamList;
   PACPI_EVAL_INPUT_BUFFER EvalInputBuff = Irp->AssociatedIrp.SystemBuffer;
   ACPI_BUFFER RetBuff = {ACPI_ALLOCATE_BUFFER, NULL};
   PACPI_EVAL_OUTPUT_BUFFER OutputBuf;
   PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
+  ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER *SimpleInt;
+  ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING *SimpleStr;

if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG))
       return STATUS_INVALID_PARAMETER;
@@ -40,10 +42,38 @@
         if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER))
             return STATUS_INVALID_PARAMETER;

-        ParamList = NULL;
+        ParamList.Count = 0;
         break;

-     /* FIXME: Support input parameters */
+     case ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER_SIGNATURE:
+        SimpleInt = Irp->AssociatedIrp.SystemBuffer;
+
+        if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER))
+            return STATUS_INVALID_PARAMETER;
+
+        ParamList.Count = 1;
+
+        ParamList.Pointer = ExAllocatePool(NonPagedPool, sizeof(ACPI_OBJECT));
+        if (!ParamList.Pointer) return STATUS_INSUFFICIENT_RESOURCES;
+
+        ParamList.Pointer[0].Type = ACPI_TYPE_INTEGER;
+        ParamList.Pointer[0].Integer.Value = SimpleInt->IntegerArgument;
+        break;
+
+     case ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING_SIGNATURE:
+        SimpleStr = Irp->AssociatedIrp.SystemBuffer;
+
+        if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING))
+            return STATUS_INVALID_PARAMETER;
+
+        ParamList.Count = 1;
+
+        ParamList.Pointer = ExAllocatePool(NonPagedPool, sizeof(ACPI_OBJECT));
+        if (!ParamList.Pointer) return STATUS_INSUFFICIENT_RESOURCES;
+
+        ParamList.Pointer[0].String.Pointer = (CHAR*)SimpleStr->String;
+        ParamList.Pointer[0].String.Length = SimpleStr->StringLength;
+        break;

default:
         DPRINT1("Unsupported input buffer signature: %d\n", Signature);
@@ -52,8 +82,12 @@

Status = AcpiEvaluateObject(DeviceData->AcpiHandle,
                               (CHAR*)EvalInputBuff->MethodName,
-                              ParamList,
+                              &ParamList,
                               &RetBuff);
+
+  if (ParamList.Count != 0)
+      ExFreePool(ParamList.Pointer);
+
   if (ACPI_SUCCESS(Status))
   {
       ACPI_OBJECT *Obj = RetBuff.Pointer;