diff options
Diffstat (limited to 'MdeModulePkg/Bus')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c index 27685995c2..ccb389067a 100644 --- a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c +++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c @@ -215,7 +215,7 @@ USBKeyboardDriverBindingStart ( EndpointNumber = UsbKeyboardDevice->InterfaceDescriptor.NumEndpoints;
//
- // Traverse endpoints to find interrupt endpoint
+ // Traverse endpoints to find interrupt endpoint IN
//
Found = FALSE;
for (Index = 0; Index < EndpointNumber; Index++) {
@@ -226,7 +226,8 @@ USBKeyboardDriverBindingStart ( &EndpointDescriptor
);
- if ((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) {
+ if (((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) &&
+ ((EndpointDescriptor.EndpointAddress & USB_ENDPOINT_DIR_IN) != 0)) {
//
// We only care interrupt endpoint here
//
|