265         mFrontend = frontend;  in openFrontendById()
272     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in setFrontendCallback()
274     auto callbackStatus = mFrontend->setCallback(mFrontendCallback);  in setFrontendCallback()
285     mFrontendCallback->scanTest(mFrontend, config, type);  in scanFrontend()
290     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopScanFrontend()
292     status = mFrontend->stopScan();  in stopScanFrontend()
306     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in linkCiCam()
324     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in unlinkCiCam()
336     ASSERT_TRUE(mFrontend) << "Frontend is not opened yet.";  in verifyFrontendStatusExt1_1()
341     frontend_1_1 = android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);  in verifyFrontendStatusExt1_1()
450     mFrontendCallback->tuneTestOnLock(mFrontend, config.config1_0.settings, config.settingsExt1_1);  in tuneFrontend()
455     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopTuneFrontend()
457     status = mFrontend->stopTune();  in stopTuneFrontend()
466     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in closeFrontend()
468     status = mFrontend->close();  in closeFrontend()
469     mFrontend = nullptr;  in closeFrontend()