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

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Reviewed-by: Star Zeng <star.zeng@intel.com>

Thanks,
Star
-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Ruiyu Ni
Sent: Saturday, February 24, 2018 3:14 PM
To: edk2-devel@lists.01.org
Cc: Zeng, Star <star.zeng@intel.com>
Subject: [edk2] [PATCH] MdeModulePkg/Terminal: ReadKeyStrokeEx always return key state

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

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