modify coding style to pass ecc tool and provide comments that complied with Doxgen.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5436 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.h

@@ -1,5 +1,7 @@
 /** @file
 
+    USB bus enumeration interface.
+
 Copyright (c) 2007, Intel Corporation
 All rights reserved. This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -9,17 +11,6 @@ http://opensource.org/licenses/bsd-license.php
 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
-  Module Name:
-
-    UsbEnumer.h
-
-  Abstract:
-
-    USB bus enumeration interface
-
-  Revision History
-
-
 **/
 
 #ifndef _USB_ENUMERATION_H_
@@ -110,35 +101,93 @@ struct _USB_HUB_API{
   USB_HUB_RELEASE             Release;
 };
 
+/**
+  Return the endpoint descriptor in this interface.
+
+  @param  UsbIf                 The interface to search in.
+  @param  EpAddr                The address of the endpoint to return.
+
+  @return The endpoint descriptor or NULL.
+
+**/
 USB_ENDPOINT_DESC*
 UsbGetEndpointDesc (
   IN USB_INTERFACE        *UsbIf,
   IN UINT8                EpAddr
   );
 
+/**
+  Select an alternate setting for the interface.
+  Each interface can have several mutually exclusive
+  settings. Only one setting is active. It will
+  also reset its endpoints' toggle to zero.
 
+  @param  IfDesc                The interface descriptor to set.
+  @param  Alternate             The alternate setting number to locate.
+
+  @retval EFI_NOT_FOUND         There is no setting with this alternate index.
+  @retval EFI_SUCCESS           The interface is set to Alternate setting.
+
+**/
 EFI_STATUS
 UsbSelectSetting (
   IN USB_INTERFACE_DESC   *IfDesc,
   IN UINT8                Alternate
   );
 
+/**
+  Select a new configuration for the device. Each
+  device may support several configurations.
+
+  @param  Device                The device to select configuration.
+  @param  ConfigIndex           The index of the configuration ( != 0).
+
+  @retval EFI_NOT_FOUND         There is no configuration with the index.
+  @retval EFI_OUT_OF_RESOURCES  Failed to allocate resource.
+  @retval EFI_SUCCESS           The configuration is selected.
+
+**/
 EFI_STATUS
 UsbSelectConfig (
   IN USB_DEVICE           *Device,
   IN UINT8                ConfigIndex
   );
 
+/**
+  Remove the current device configuration.
+
+  @param  Device                The USB device to remove configuration from.
+
+  @return None.
+
+**/
 VOID
 UsbRemoveConfig (
   IN USB_DEVICE           *Device
   );
 
+/**
+  Remove the device and all its children from the bus.
+
+  @param  Device                The device to remove.
+
+  @retval EFI_SUCCESS           The device is removed.
+
+**/
 EFI_STATUS
 UsbRemoveDevice (
   IN USB_DEVICE           *Device
   );
 
+/**
+  Enumerate all the changed hub ports.
+
+  @param  Event                 The event that is triggered.
+  @param  Context               The context to the event.
+
+  @return None.
+
+**/
 VOID
 EFIAPI
 UsbHubEnumeration (
@@ -146,6 +195,15 @@ UsbHubEnumeration (
   IN VOID                 *Context
   );
 
+/**
+  Enumerate all the changed hub ports.
+
+  @param  Event                 The event that is triggered.
+  @param  Context               The context to the event.
+
+  @return None.
+
+**/
 VOID
 EFIAPI
 UsbRootHubEnumeration (