67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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sysctrl.c
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Abstract: Human Input Device (HID) minidriver for Universal Serial Bus (USB) devices
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The HID USB Minidriver (HUM, Hum) provides an abstraction layer for the
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HID Class so that future HID devices whic are not USB devices can be supported.
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Author:
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ervinp
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Environment:
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Kernel mode
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Revision History:
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--*/
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#include "pch.h"
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, HumSystemControl)
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#endif
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/*
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************************************************************
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* HumSystemControl
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************************************************************
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*
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*/
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NTSTATUS HumSystemControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
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{
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NTSTATUS status = STATUS_SUCCESS;
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PIO_STACK_LOCATION thisStackLoc;
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PAGED_CODE();
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thisStackLoc = IoGetCurrentIrpStackLocation(Irp);
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switch(thisStackLoc->Parameters.DeviceIoControl.IoControlCode){
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default:
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/*
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* Note: do not return STATUS_NOT_SUPPORTED;
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* If completing the IRP here,
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* just keep the default status
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* (this allows filter drivers to work).
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*/
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status = Irp->IoStatus.Status;
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break;
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}
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IoCopyCurrentIrpStackLocationToNext(Irp);
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status = IoCallDriver(GET_NEXT_DEVICE_OBJECT(DeviceObject), Irp);
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return status;
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}
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