Complete frontend APIs

Test: make;
Change-Id: I576df2ee27809b50c9797a6bc80ebf3dc771a83e

media/java/android/media/tv/tuner/Tuner.java

@@ -106,6 +106,9 @@ public final class Tuner implements AutoCloseable  {
      */
     private native Frontend nativeOpenFrontendById(int id);
     private native int nativeTune(int type, FrontendSettings settings);
+    private native int nativeStopTune();
+    private native int nativeSetLnb(int lnbId);
+    private native int nativeSetLna(boolean enable);
 
     private native Filter nativeOpenFilter(int type, int subType, int bufferSize);
 
@@ -256,6 +259,46 @@ public final class Tuner implements AutoCloseable  {
         return nativeTune(settings.getType(), settings);
     }
 
+    /**
+     * Stops a previous tuning.
+     *
+     * If the method completes successfully the frontend is no longer tuned and no data
+     * will be sent to attached filters.
+     *
+     * @return result status of the operation.
+     * @hide
+     */
+    public int stopTune() {
+        return nativeStopTune();
+    }
+
+    /**
+     * Sets Low-Noise Block downconverter (LNB) for satellite frontend.
+     *
+     * This assigns a hardware LNB resource to the satellite tuner. It can be
+     * called multiple times to update LNB assignment.
+     *
+     * @param lnb the LNB instance.
+     *
+     * @return result status of the operation.
+     * @hide
+     */
+    public int setLnb(@NonNull Lnb lnb) {
+        return nativeSetLnb(lnb.mId);
+    }
+
+    /**
+     * Enable or Disable Low Noise Amplifier (LNA).
+     *
+     * @param enable true to activate LNA module; false to deactivate LNA
+     *
+     * @return result status of the operation.
+     * @hide
+     */
+    public int setLna(boolean enable) {
+        return nativeSetLna(enable);
+    }
+
     private List<Integer> getFrontendIds() {
         mFrontendIds = nativeGetFrontendIds();
         return mFrontendIds;

media/jni/android_media_tv_Tuner.cpp

@@ -600,6 +600,18 @@ static int android_media_tv_Tuner_tune(JNIEnv *env, jobject thiz, jint type, job
     return tuner->tune(getFrontendSettings(env, type, settings));
 }
 
+static int android_media_tv_Tuner_stop_tune(JNIEnv, jobject) {
+    return 0;
+}
+
+static int android_media_tv_Tuner_set_lnb(JNIEnv, jobject, jint) {
+    return 0;
+}
+
+static int android_media_tv_Tuner_set_lna(JNIEnv, jobject, jint, jboolean) {
+    return 0;
+}
+
 static jobject android_media_tv_Tuner_get_lnb_ids(JNIEnv *env, jobject thiz) {
     sp<JTuner> tuner = getTuner(env, thiz);
     return tuner->getLnbIds();
@@ -850,6 +862,9 @@ static const JNINativeMethod gTunerMethods[] = {
             (void *)android_media_tv_Tuner_open_frontend_by_id },
     { "nativeTune", "(ILandroid/media/tv/tuner/FrontendSettings;)I",
             (void *)android_media_tv_Tuner_tune },
+    { "nativeStopTune", "()I", (void *)android_media_tv_Tuner_stop_tune },
+    { "nativeSetLnb", "(I)I", (void *)android_media_tv_Tuner_set_lnb },
+    { "nativeSetLna", "(Z)I", (void *)android_media_tv_Tuner_set_lna },
     { "nativeOpenFilter", "(III)Landroid/media/tv/tuner/Tuner$Filter;",
             (void *)android_media_tv_Tuner_open_filter },
     { "nativeGetLnbIds", "()Ljava/util/List;",