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authorqianouyang <qianouyang@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-30 07:29:42 +0000
committerqianouyang <qianouyang@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-30 07:29:42 +0000
commit5829afe3e43cb252a0550b8559b4f1fcde9fb461 (patch)
tree61f828253a0d06a1d5151f5d4f0fbc5fc9a33072 /IntelFrameworkModulePkg/Csm
parent3765794ca3c034c792bc3009fb96e12b4582ecee (diff)
downloadedk2-platforms-5829afe3e43cb252a0550b8559b4f1fcde9fb461.tar.xz
1. Add Partial Keystroke Support in Ps2Kb drivers. See the Uefi2.3.1a chapter 11.2
2. Fix the bug of "In Ps2Keyboard the CAPs LOCK's LED should NOT be light when user press the SysReq key". 3. Fix the bug of "The PS2Keyboard driver outputs wrong EFI_INPUT_KEY value for PrintScr/SysRq keystroke" Signed-off-by: qianouyang Reviewed-by: niruiyu vanjeff git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12495 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Csm')
-rw-r--r--IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c b/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c
index 24578aab81..2729d0b441 100644
--- a/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c
+++ b/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c
@@ -2171,7 +2171,12 @@ BiosKeyboardSetState (
return EFI_INVALID_PARAMETER;
}
- if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {
+ //
+ // Thunk keyboard driver doesn't support partial keystroke.
+ //
+ if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID ||
+ (*KeyToggleState & EFI_KEY_STATE_EXPOSED) == EFI_KEY_STATE_EXPOSED
+ ) {
return EFI_UNSUPPORTED;
}