libcamera: ipa_manager: Split common code out of createIPA()

The createIPA() template function starts with code that doesn't depend
on the template parameters. Split it to a non-template function to avoid
code duplication in the binary.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

src/libcamera/ipa_manager.cpp

@@ -245,6 +245,23 @@ unsigned int IPAManager::addDir(const char *libDir, unsigned int maxDepth)
 	return count;
 }
 
+/**
+ * \brief Retrieve an IPA module that matches a given pipeline handler
+ * \param[in] pipe The pipeline handler
+ * \param[in] minVersion Minimum acceptable version of IPA module
+ * \param[in] maxVersion Maximum acceptable version of IPA module
+ */
+IPAModule *IPAManager::module(PipelineHandler *pipe, uint32_t minVersion,
+			      uint32_t maxVersion)
+{
+	for (IPAModule *module : modules_) {
+		if (module->match(pipe, minVersion, maxVersion))
+			return module;
+	}
+
+	return nullptr;
+}
+
 /**
  * \fn IPAManager::createIPA()
  * \brief Create an IPA proxy that matches a given pipeline handler