2 files changed, 12 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
index 8b5e62e..0a776f3 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
@@ -3551,6 +3551,8 @@ ConSplitterTextInExDequeueKey (
   @retval EFI_NOT_READY            There was no keystroke data availiable.
   @retval EFI_DEVICE_ERROR         The keydtroke information was not returned due
                                    to hardware errors.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS
@@ -3623,6 +3625,8 @@ ConSplitterTextInPrivateReadKeyStroke (
   @retval EFI_NOT_READY            There was no keystroke data availiable.
   @retval EFI_DEVICE_ERROR         The keydtroke information was not returned due
                                    to hardware errors.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS
@@ -3805,6 +3809,8 @@ ConSplitterTextInResetEx (
   @retval EFI_DEVICE_ERROR         The keystroke information was not returned due
                                    to hardware errors.
   @retval EFI_INVALID_PARAMETER    KeyData is NULL.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
index a1fe747..354107c 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
@@ -1265,6 +1265,8 @@ ConSplitterTextInReset (
   @retval EFI_NOT_READY            There was no keystroke data availiable.
   @retval EFI_DEVICE_ERROR         The keydtroke information was not returned due
                                    to hardware errors.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS
@@ -1342,6 +1344,8 @@ ConSplitterTextInResetEx (
   @retval EFI_DEVICE_ERROR         The keystroke information was not returned due
                                    to hardware errors.
   @retval EFI_INVALID_PARAMETER    KeyData is NULL.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS
@@ -1453,6 +1457,8 @@ ConSplitterTextInWaitForKey (
   @retval EFI_NOT_READY            There was no keystroke data availiable.
   @retval EFI_DEVICE_ERROR         The keydtroke information was not returned due
                                    to hardware errors.
+  @retval EFI_UNSUPPORTED          The device does not support the ability to read
+                                   keystroke data.
 
 **/
 EFI_STATUS