MdeModulePkg/UsbKb: fix shell edit cannot read '!@#$%^&*' characters

[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbKbDxe / KeyBoard.c

diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
index d140311c525bc9df1f7f55756181ddae3bc696b6..b3b5fb9ff4c49136dcd679f28357592054ee1c94 100644 (file)
--- a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
+++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
@@ -1615,7 +1615,8 @@ UsbKeyCodeToEfiInputKey (
       // Need not return associated shift state if a class of printable characters that\r
       // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r
       //\r
-      if ((KeyDescriptor->AffectedAttribute & EFI_AFFECTED_BY_CAPS_LOCK) != 0) {\r
+      if ((KeyDescriptor->Unicode != CHAR_NULL) && (KeyDescriptor->ShiftedUnicode != CHAR_NULL) &&\r
+          (KeyDescriptor->Unicode != KeyDescriptor->ShiftedUnicode)) {\r
         UsbKeyboardDevice->LeftShiftOn = FALSE;\r
         UsbKeyboardDevice->RightShiftOn = FALSE;\r
       }\r