xnu-3789.41.3.tar.gz

[apple/xnu.git] / iokit / Kernel / IODMAEventSource.cpp

diff --git a/iokit/Kernel/IODMAEventSource.cpp b/iokit/Kernel/IODMAEventSource.cpp
index 1b53b0b0b155c46be0da75e3d59fe3538c8c74a2..6875e0c429107c4637b993defa0c82f70536d5c1 100644 (file)
--- a/iokit/Kernel/IODMAEventSource.cpp
+++ b/iokit/Kernel/IODMAEventSource.cpp
@@ -149,6 +149,13 @@ IOByteCount IODMAEventSource::validFIFODepth(IOByteCount depth, IODirection dire
 }
 
 
+IOReturn IODMAEventSource::setFrameSize(UInt8 byteCount)
+{
+  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
+  
+  return dmaController->setFrameSize(dmaIndex, byteCount);
+}
+
 // protected
 
 bool IODMAEventSource::checkForWork(void)