266         mFrontend = frontend;  in openFrontendById()
273     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in setFrontendCallback()
275     auto callbackStatus = mFrontend->setCallback(mFrontendCallback);  in setFrontendCallback()
286     mFrontendCallback->scanTest(mFrontend, config, type);  in scanFrontend()
291     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopScanFrontend()
293     status = mFrontend->stopScan();  in stopScanFrontend()
307     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in linkCiCam()
325     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in unlinkCiCam()
337     ASSERT_TRUE(mFrontend) << "Frontend is not opened yet.";  in verifyFrontendStatusExt1_1()
342     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in verifyFrontendStatusExt1_1()
453     mFrontendCallback->tuneTestOnLock(mFrontend, config.config1_0.settings, config.settingsExt1_1);  in tuneFrontend()
458     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopTuneFrontend()
460     status = mFrontend->stopTune();  in stopTuneFrontend()
470     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in closeFrontend()
472     status = mFrontend->close();  in closeFrontend()
473     mFrontend = nullptr;  in closeFrontend()