diff --git a/tv/input/aidl/default/TvInput.cpp b/tv/input/aidl/default/TvInput.cpp
index 5f1f7a2..2ee8bcf 100644
--- a/tv/input/aidl/default/TvInput.cpp
+++ b/tv/input/aidl/default/TvInput.cpp
@@ -82,7 +82,10 @@
         MQDescriptor<int8_t, SynchronizedReadWrite>* out_queue, int32_t in_deviceId,
         int32_t in_streamId) {
     ALOGV("%s", __FUNCTION__);
-    // TODO: Implement this
+    if (mStreamConfigs.count(in_deviceId) == 0) {
+        ALOGW("Device with id %d isn't available", in_deviceId);
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(STATUS_INVALID_ARGUMENTS);
+    }
     return ::ndk::ScopedAStatus::ok();
 }
 
diff --git a/tv/input/aidl/default/TvInput.h b/tv/input/aidl/default/TvInput.h
index 23118c8..5776961 100644
--- a/tv/input/aidl/default/TvInput.h
+++ b/tv/input/aidl/default/TvInput.h
@@ -57,7 +57,6 @@
     ::ndk::ScopedAStatus openStream(int32_t in_deviceId, int32_t in_streamId,
                                     NativeHandle* _aidl_return) override;
     ::ndk::ScopedAStatus closeStream(int32_t in_deviceId, int32_t in_streamId) override;
-
     void init();
 
   private: