Code cleanup

lib/mayaUsd/fileio/primWriterRegistry.cpp

@@ -200,7 +200,7 @@ void UsdMayaPrimWriterRegistry::Poke(const std::string& mayaTypeName)
     std::tie(first, last) = _reg.equal_range(mayaTypeName);
 
     if (first == last) {
-        // The type name is not currently in our registry
+        // If the type name is not currently in our registry, check for plugin registry
         static const TfTokenVector SCOPE = { _tokens->UsdMaya, _tokens->PrimWriter };
         UsdMaya_RegistryHelper::FindAndLoadMayaPlug(SCOPE, mayaTypeName);
     }

lib/mayaUsd/fileio/primWriterRegistry.h

@@ -82,9 +82,11 @@ struct UsdMayaPrimWriterRegistry
     using ContextPredicateFn
         = std::function<UsdMayaPrimWriter::ContextSupport(const UsdMayaJobExportArgs&)>;
 
-    // TODO: Write new brief
     /// \brief Register \p fn as a factory function providing a
     /// UsdMayaPrimWriter subclass that can be used to write \p mayaType.
+    /// Provide a supportability of the primWriter. Use "supported" to
+    /// override the default primWriter
+    ///
     /// If you can't provide a valid UsdMayaPrimWriter for the given arguments,
     /// return a null pointer from the factory function \p fn.
     ///
@@ -143,6 +145,7 @@ struct UsdMayaPrimWriterRegistry
     static WriterFactoryFn
     Find(const std::string& mayaTypeName, const UsdMayaJobExportArgs& exportArgs);
 
+    /// \brief Check for external primWriter for \p mayaTypeName.
     MAYAUSD_CORE_PUBLIC
     static void Poke(const std::string& mayaTypeName);
 

lib/mayaUsd/fileio/utils/adaptor.cpp

@@ -158,7 +158,6 @@ TfType UsdMayaAdaptor::GetUsdType() const
     // The adaptor type mapping might be registered externally in a prim writer
     // plugin. This simply pokes the prim writer registry to load the prim
     // writer plugin in order to pull in the adaptor mapping.
-    //UsdMayaPrimWriterRegistry::Find(depNode.typeName().asChar(), *_jobExportArgs);
     UsdMayaPrimWriterRegistry::Poke(depNode.typeName().asChar());
     TfRegistryManager::GetInstance().SubscribeTo<UsdMayaAdaptor>();