From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ruiyu.ni@intel.com>
Received-SPF: Pass (sender SPF authorized) identity=mailfrom;
 client-ip=192.55.52.93; helo=mga11.intel.com; envelope-from=ruiyu.ni@intel.com;
 receiver=edk2-devel@lists.01.org 
Received: from mga11.intel.com (mga11.intel.com [192.55.52.93])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by ml01.01.org (Postfix) with ESMTPS id 9E63B21F6A6E7
 for <edk2-devel@lists.01.org>; Fri, 23 Feb 2018 23:07:49 -0800 (PST)
X-Amp-Result: SKIPPED(no attachment in message)
X-Amp-File-Uploaded: False
Received: from orsmga002.jf.intel.com ([10.7.209.21])
 by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;
 23 Feb 2018 23:13:51 -0800
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.47,386,1515484800"; d="scan'208";a="37096273"
Received: from ray-dev.ccr.corp.intel.com ([10.239.9.13])
 by orsmga002.jf.intel.com with ESMTP; 23 Feb 2018 23:13:50 -0800
From: Ruiyu Ni <ruiyu.ni@intel.com>
To: edk2-devel@lists.01.org
Cc: Star Zeng <star.zeng@intel.com>
Date: Sat, 24 Feb 2018 15:13:48 +0800
Message-Id: <20180224071348.132760-1-ruiyu.ni@intel.com>
X-Mailer: git-send-email 2.16.1.windows.1
Subject: [PATCH] MdeModulePkg/Terminal: ReadKeyStrokeEx always return key state
X-BeenThere: edk2-devel@lists.01.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: EDK II Development  <edk2-devel.lists.01.org>
List-Unsubscribe: <https://lists.01.org/mailman/options/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=unsubscribe>
List-Archive: <http://lists.01.org/pipermail/edk2-devel/>
List-Post: <mailto:edk2-devel@lists.01.org>
List-Help: <mailto:edk2-devel-request@lists.01.org?subject=help>
List-Subscribe: <https://lists.01.org/mailman/listinfo/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=subscribe>
X-List-Received-Date: Sat, 24 Feb 2018 07:07:50 -0000

Because terminal doesn't support shift and toggle key state,
ReadKeyStrokeEx just sets the two states to 0.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
---
 MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
index 3c1102dac4..99316376cb 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
@@ -2,7 +2,7 @@
   Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.
 
 (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
-Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
 Copyright (C) 2016 Silicon Graphics, Inc. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -41,13 +41,12 @@ ReadKeyStrokeWorker (
     return EFI_INVALID_PARAMETER;
   }
 
-  if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {
-    return EFI_NOT_READY;
-  }
-
   KeyData->KeyState.KeyShiftState  = 0;
   KeyData->KeyState.KeyToggleState = 0;
 
+  if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {
+    return EFI_NOT_READY;
+  }
 
   return EFI_SUCCESS;
 
-- 
2.16.1.windows.1