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-rw-r--r--core/api/system-current.txt1
-rw-r--r--media/java/android/media/tv/tuner/Tuner.java24
-rw-r--r--media/jni/android_media_tv_Tuner.cpp13
-rw-r--r--media/jni/android_media_tv_Tuner.h1
-rw-r--r--media/jni/tuner/TunerClient.cpp13
-rw-r--r--media/jni/tuner/TunerClient.h5
6 files changed, 56 insertions, 1 deletions
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index d93c62dd757d..af188274a3eb 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -7269,6 +7269,7 @@ package android.media.tv.tuner {
method @NonNull public java.util.List<android.media.tv.tuner.frontend.FrontendStatusReadiness> getFrontendStatusReadiness(@NonNull int[]);
method @IntRange(from=0xffffffff) public int getMaxNumberOfFrontends(int);
method @RequiresPermission("android.permission.TUNER_RESOURCE_ACCESS") public boolean hasUnusedFrontend(int);
+ method public boolean isLnaSupported();
method public boolean isLowestPriority(int);
method @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_TV_DESCRAMBLER) public android.media.tv.tuner.Descrambler openDescrambler();
method @Nullable public android.media.tv.tuner.dvr.DvrPlayback openDvrPlayback(long, @NonNull java.util.concurrent.Executor, @NonNull android.media.tv.tuner.dvr.OnPlaybackStatusChangedListener);
diff --git a/media/java/android/media/tv/tuner/Tuner.java b/media/java/android/media/tv/tuner/Tuner.java
index fab63aa18097..7039a3e01ac6 100644
--- a/media/java/android/media/tv/tuner/Tuner.java
+++ b/media/java/android/media/tv/tuner/Tuner.java
@@ -998,6 +998,7 @@ public class Tuner implements AutoCloseable {
private native int nativeScan(int settingsType, FrontendSettings settings, int scanType);
private native int nativeStopScan();
private native int nativeSetLnb(Lnb lnb);
+ private native boolean nativeIsLnaSupported();
private native int nativeSetLna(boolean enable);
private native FrontendStatus nativeGetFrontendStatus(int[] statusTypes);
private native Integer nativeGetAvSyncHwId(Filter filter);
@@ -1382,11 +1383,32 @@ public class Tuner implements AutoCloseable {
}
/**
+ * Is Low Noise Amplifier (LNA) supported by the Tuner.
+ *
+ * <p>This API is only supported by Tuner HAL 3.0 or higher.
+ * Unsupported version would throw UnsupportedOperationException. Use
+ * {@link TunerVersionChecker#getTunerVersion()} to check the version.
+ *
+ * @return {@code true} if supported, otherwise {@code false}.
+ * @throws UnsupportedOperationException if the Tuner HAL version is lower than 3.0
+ * @see android.media.tv.tuner.TunerVersionChecker#TUNER_VERSION_3_0
+ */
+ public boolean isLnaSupported() {
+ if (!TunerVersionChecker.checkHigherOrEqualVersionTo(
+ TunerVersionChecker.TUNER_VERSION_3_0, "isLnaSupported")) {
+ throw new UnsupportedOperationException("Tuner HAL version "
+ + TunerVersionChecker.getTunerVersion() + " doesn't support this method.");
+ }
+ return nativeIsLnaSupported();
+ }
+
+ /**
* Enable or Disable Low Noise Amplifier (LNA).
*
* @param enable {@code true} to activate LNA module; {@code false} to deactivate LNA.
*
- * @return result status of the operation.
+ * @return result status of the operation. {@link #RESULT_UNAVAILABLE} if the device doesn't
+ * support LNA.
*/
@Result
public int setLnaEnabled(boolean enable) {
diff --git a/media/jni/android_media_tv_Tuner.cpp b/media/jni/android_media_tv_Tuner.cpp
index a028c040891b..2afa4d1fdefe 100644
--- a/media/jni/android_media_tv_Tuner.cpp
+++ b/media/jni/android_media_tv_Tuner.cpp
@@ -1819,6 +1819,13 @@ int JTuner::setLnb(sp<LnbClient> lnbClient) {
return (int)result;
}
+bool JTuner::isLnaSupported() {
+ if (sTunerClient == nullptr) {
+ return (int)Result::NOT_INITIALIZED;
+ }
+ return sTunerClient->isLnaSupported();
+}
+
int JTuner::setLna(bool enable) {
if (sTunerClient == nullptr) {
return (int)Result::NOT_INITIALIZED;
@@ -3562,6 +3569,11 @@ static int android_media_tv_Tuner_set_lnb(JNIEnv *env, jobject thiz, jobject lnb
return tuner->setLnb(lnbClient);
}
+static bool android_media_tv_Tuner_is_lna_supported(JNIEnv *env, jobject thiz) {
+ sp<JTuner> tuner = getTuner(env, thiz);
+ return tuner->isLnaSupported();
+}
+
static int android_media_tv_Tuner_set_lna(JNIEnv *env, jobject thiz, jboolean enable) {
sp<JTuner> tuner = getTuner(env, thiz);
return tuner->setLna(enable);
@@ -4810,6 +4822,7 @@ static const JNINativeMethod gTunerMethods[] = {
(void *)android_media_tv_Tuner_scan },
{ "nativeStopScan", "()I", (void *)android_media_tv_Tuner_stop_scan },
{ "nativeSetLnb", "(Landroid/media/tv/tuner/Lnb;)I", (void *)android_media_tv_Tuner_set_lnb },
+ { "nativeIsLnaSupported", "()Z", (void *)android_media_tv_Tuner_is_lna_supported },
{ "nativeSetLna", "(Z)I", (void *)android_media_tv_Tuner_set_lna },
{ "nativeGetFrontendStatus", "([I)Landroid/media/tv/tuner/frontend/FrontendStatus;",
(void *)android_media_tv_Tuner_get_frontend_status },
diff --git a/media/jni/android_media_tv_Tuner.h b/media/jni/android_media_tv_Tuner.h
index c74b2df6c178..2b69e89a0a2f 100644
--- a/media/jni/android_media_tv_Tuner.h
+++ b/media/jni/android_media_tv_Tuner.h
@@ -189,6 +189,7 @@ struct JTuner : public RefBase {
int scan(const FrontendSettings& settings, FrontendScanType scanType);
int stopScan();
int setLnb(sp<LnbClient> lnbClient);
+ bool isLnaSupported();
int setLna(bool enable);
jobject openLnbByHandle(int handle);
jobject openLnbByName(jstring name);
diff --git a/media/jni/tuner/TunerClient.cpp b/media/jni/tuner/TunerClient.cpp
index 8515874c022f..ab28fb4eca9a 100644
--- a/media/jni/tuner/TunerClient.cpp
+++ b/media/jni/tuner/TunerClient.cpp
@@ -210,4 +210,17 @@ int TunerClient::getMaxNumberOfFrontends(FrontendType frontendType) {
return -1;
}
+bool TunerClient::isLnaSupported() {
+ if (mTunerService != nullptr) {
+ bool lnaSupported;
+ Status s = mTunerService->isLnaSupported(&lnaSupported);
+ if (!s.isOk()) {
+ return false;
+ }
+ return lnaSupported;
+ }
+
+ return false;
+}
+
} // namespace android
diff --git a/media/jni/tuner/TunerClient.h b/media/jni/tuner/TunerClient.h
index 5410c1b185f5..3f8b21cb8899 100644
--- a/media/jni/tuner/TunerClient.h
+++ b/media/jni/tuner/TunerClient.h
@@ -148,6 +148,11 @@ public:
*/
int getMaxNumberOfFrontends(FrontendType frontendType);
+ /**
+ * Is Low Noise Amplifier (LNA) supported.
+ */
+ bool isLnaSupported();
+
private:
/**
* An AIDL Tuner Service assigned at the first time the Tuner Client connects with
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-04 00:52:47 +0000