ipa: Pass IPA initialization settings to IPAInterface::init()

Add a new IPASettings class to pass IPA initialization settings through
the IPAInterface::init() method. The settings currently only contain the
name of a configuration file, and are expected to be extended later.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

test/ipa/ipa_interface_test.cpp

@@ -98,7 +98,8 @@ protected:
 		}
 
 		/* Test initialization of IPA module. */
-		ipa_->init();
+		IPASettings settings;
+		ipa_->init(settings);
 		timer.start(1000);
 		while (timer.isRunning() && trace_ != IPAOperationInit)
 			dispatcher->processEvents();

test/ipa/ipa_wrappers_test.cpp

@@ -43,8 +43,14 @@ public:
 	{
 	}
 
-	int init() override
+	int init(const IPASettings &settings) override
 	{
+		if (settings.configurationFile != "/ipa/configuration/file") {
+			cerr << "init(): Invalid configuration file" << endl;
+			report(Op_init, TestFail);
+			return 0;
+		}
+
 		report(Op_init, TestPass);
 		return 0;
 	}
@@ -339,7 +345,10 @@ protected:
 		 * Test init(), start() and stop() last to ensure nothing in the
 		 * wrappers or serializer depends on them being called first.
 		 */
-		ret = INVOKE(init);
+		IPASettings settings{
+			.configurationFile = "/ipa/configuration/file"
+		};
+		ret = INVOKE(init, settings);
 		if (ret == TestFail) {
 			cerr << "Failed to run init()";
 			return TestFail;