rosapps/drivers/green/power.c

   1 /*
   2  * PROJECT:     ReactOS VT100 emulator
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/base/green/power.c
   5  * PURPOSE:     IRP_MJ_POWER operations
   6  * PROGRAMMERS: Copyright 2006 Hervé Poussineau (hpoussin@reactos.org)
   7  */
   8
   9 #include "green.h"
  10
  11 #define NDEBUG
  12 #include <debug.h>
  13
  14 NTSTATUS
  15 GreenPower(
  16         IN PDEVICE_OBJECT DeviceObject,
  17         IN PIRP Irp)
  18 {
  19         GREEN_DEVICE_TYPE Type;
  20         PIO_STACK_LOCATION Stack;
  21         ULONG_PTR Information = Irp->IoStatus.Information;
  22         NTSTATUS Status = Irp->IoStatus.Status;
  23
  24         Type = ((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Type;
  25         Stack = IoGetCurrentIrpStackLocation(Irp);
  26
  27         switch (Stack->MinorFunction)
  28         {
  29                 case IRP_MN_SET_POWER: /* 0x02 */
  30                 {
  31                         DPRINT("IRP_MJ_POWER / IRP_MN_SET_POWER\n");
  32                         if (Type == GreenFDO)
  33                         {
  34                                 PoStartNextPowerIrp(Irp);
  35                                 Status = STATUS_SUCCESS;
  36                         }
  37                         else
  38                         {
  39                                 DPRINT1("IRP_MJ_POWER / IRP_MN_SET_POWER / Unknown type 0x%lx\n",
  40                                         Type);
  41                                 ASSERT(FALSE);
  42                         }
  43                         break;
  44                 }
  45                 default:
  46                 {
  47                         DPRINT1("IRP_MJ_POWER / unknown minor function 0x%lx\n", Stack->MinorFunction);
  48                         break;
  49                 }
  50         }
  51
  52         Irp->IoStatus.Status = Status;
  53         Irp->IoStatus.Information = Information;
  54         if (Status != STATUS_PENDING)
  55                 IoCompleteRequest(Irp, IO_NO_INCREMENT);
  56
  57         return Status;
  58 }