diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/AudioClassDevice.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/AudioClassDevice.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c index 1e91a6134..4f3cfd62d 100644 --- a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c +++ b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c @@ -44,7 +44,11 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE) { - if ((USB_ControlRequest.wIndex & 0xFF) != AudioInterfaceInfo->Config.StreamingInterfaceNumber) + uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF); + + if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) && + (InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)) + return; } else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT) |