Set bcradio HAL tuner callback when sessions exist
Set broadcast radio HAL tuner callback for a radio tuner only when
there is at least one active tuner session, unset tuner callbacks
otherwise. This allows that radio tuner chip powers on only when it
is used in app, which reduces power consumption.
Bug: 327686652
Test: atest com.android.server.broadcastradio.aidl
Change-Id: Ie1fd55e2ad8983c59e4cf5ad711dd88fed84e4fd
diff --git a/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/RadioModuleTest.java b/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/RadioModuleTest.java
index a034653..10ac05d 100644
--- a/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/RadioModuleTest.java
+++ b/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/RadioModuleTest.java
@@ -88,13 +88,6 @@
}
@Test
- public void setInternalHalCallback_callbackSetInHal() throws Exception {
- mRadioModule.setInternalHalCallback();
-
- verify(mBroadcastRadioMock).setTunerCallback(any());
- }
-
- @Test
public void getImage_withValidIdFromRadioModule() {
int imageId = 1;
diff --git a/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/TunerSessionTest.java b/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/TunerSessionTest.java
index 262f167..755bcdb 100644
--- a/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/TunerSessionTest.java
+++ b/core/tests/BroadcastRadioTests/src/com/android/server/broadcastradio/aidl/TunerSessionTest.java
@@ -192,66 +192,6 @@
mHalTunerCallback = (ITunerCallback) invocation.getArguments()[0];
return null;
}).when(mBroadcastRadioMock).setTunerCallback(any());
- mRadioModule.setInternalHalCallback();
-
- doAnswer(invocation -> {
- android.hardware.broadcastradio.ProgramSelector halSel =
- (android.hardware.broadcastradio.ProgramSelector) invocation.getArguments()[0];
- mHalCurrentInfo = AidlTestUtils.makeHalProgramInfo(halSel, SIGNAL_QUALITY);
- if (halSel.primaryId.type != IdentifierType.AMFM_FREQUENCY_KHZ) {
- throw new ServiceSpecificException(Result.NOT_SUPPORTED);
- }
- mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
- return Result.OK;
- }).when(mBroadcastRadioMock).tune(any());
-
- doAnswer(invocation -> {
- if ((boolean) invocation.getArguments()[0]) {
- mHalCurrentInfo.selector.primaryId.value += AM_FM_FREQUENCY_SPACING;
- } else {
- mHalCurrentInfo.selector.primaryId.value -= AM_FM_FREQUENCY_SPACING;
- }
- mHalCurrentInfo.logicallyTunedTo = mHalCurrentInfo.selector.primaryId;
- mHalCurrentInfo.physicallyTunedTo = mHalCurrentInfo.selector.primaryId;
- mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
- return Result.OK;
- }).when(mBroadcastRadioMock).step(anyBoolean());
-
- doAnswer(invocation -> {
- if (mHalCurrentInfo == null) {
- android.hardware.broadcastradio.ProgramSelector placeHolderSelector =
- AidlTestUtils.makeHalFmSelector(/* freq= */ 97300);
-
- mHalTunerCallback.onTuneFailed(Result.TIMEOUT, placeHolderSelector);
- return Result.OK;
- }
- mHalCurrentInfo.selector.primaryId.value = getSeekFrequency(
- mHalCurrentInfo.selector.primaryId.value,
- !(boolean) invocation.getArguments()[0]);
- mHalCurrentInfo.logicallyTunedTo = mHalCurrentInfo.selector.primaryId;
- mHalCurrentInfo.physicallyTunedTo = mHalCurrentInfo.selector.primaryId;
- mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
- return Result.OK;
- }).when(mBroadcastRadioMock).seek(anyBoolean(), anyBoolean());
-
- doReturn(null).when(mBroadcastRadioMock).getImage(anyInt());
-
- doAnswer(invocation -> {
- int configFlag = (int) invocation.getArguments()[0];
- if (configFlag == UNSUPPORTED_CONFIG_FLAG) {
- throw new ServiceSpecificException(Result.NOT_SUPPORTED);
- }
- return mHalConfigMap.getOrDefault(configFlag, false);
- }).when(mBroadcastRadioMock).isConfigFlagSet(anyInt());
-
- doAnswer(invocation -> {
- int configFlag = (int) invocation.getArguments()[0];
- if (configFlag == UNSUPPORTED_CONFIG_FLAG) {
- throw new ServiceSpecificException(Result.NOT_SUPPORTED);
- }
- mHalConfigMap.put(configFlag, (boolean) invocation.getArguments()[1]);
- return null;
- }).when(mBroadcastRadioMock).setConfigFlag(anyInt(), anyBoolean());
}
@After
@@ -330,6 +270,7 @@
expect.withMessage("Close state of broadcast radio service session")
.that(mTunerSessions[0].isClosed()).isTrue();
+ verify(mBroadcastRadioMock).unsetTunerCallback();
}
@Test
@@ -351,6 +292,7 @@
.that(mTunerSessions[index].isClosed()).isFalse();
}
}
+ verify(mBroadcastRadioMock, never()).unsetTunerCallback();
}
@Test
@@ -378,6 +320,7 @@
expect.withMessage("Close state of broadcast radio service session of index %s", index)
.that(mTunerSessions[index].isClosed()).isTrue();
}
+ verify(mBroadcastRadioMock).unsetTunerCallback();
}
@Test
@@ -1295,6 +1238,71 @@
mAidlTunerCallbackMocks[index] = mock(android.hardware.radio.ITunerCallback.class);
mTunerSessions[index] = mRadioModule.openSession(mAidlTunerCallbackMocks[index]);
}
+ setupMockedHalTunerSession();
+ }
+
+ private void setupMockedHalTunerSession() throws Exception {
+ expect.withMessage("Registered HAL tuner callback").that(mHalTunerCallback)
+ .isNotNull();
+
+ doAnswer(invocation -> {
+ android.hardware.broadcastradio.ProgramSelector halSel =
+ (android.hardware.broadcastradio.ProgramSelector) invocation.getArguments()[0];
+ mHalCurrentInfo = AidlTestUtils.makeHalProgramInfo(halSel, SIGNAL_QUALITY);
+ if (halSel.primaryId.type != IdentifierType.AMFM_FREQUENCY_KHZ) {
+ throw new ServiceSpecificException(Result.NOT_SUPPORTED);
+ }
+ mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
+ return Result.OK;
+ }).when(mBroadcastRadioMock).tune(any());
+
+ doAnswer(invocation -> {
+ if ((boolean) invocation.getArguments()[0]) {
+ mHalCurrentInfo.selector.primaryId.value += AM_FM_FREQUENCY_SPACING;
+ } else {
+ mHalCurrentInfo.selector.primaryId.value -= AM_FM_FREQUENCY_SPACING;
+ }
+ mHalCurrentInfo.logicallyTunedTo = mHalCurrentInfo.selector.primaryId;
+ mHalCurrentInfo.physicallyTunedTo = mHalCurrentInfo.selector.primaryId;
+ mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
+ return Result.OK;
+ }).when(mBroadcastRadioMock).step(anyBoolean());
+
+ doAnswer(invocation -> {
+ if (mHalCurrentInfo == null) {
+ android.hardware.broadcastradio.ProgramSelector placeHolderSelector =
+ AidlTestUtils.makeHalFmSelector(/* freq= */ 97300);
+
+ mHalTunerCallback.onTuneFailed(Result.TIMEOUT, placeHolderSelector);
+ return Result.OK;
+ }
+ mHalCurrentInfo.selector.primaryId.value = getSeekFrequency(
+ mHalCurrentInfo.selector.primaryId.value,
+ !(boolean) invocation.getArguments()[0]);
+ mHalCurrentInfo.logicallyTunedTo = mHalCurrentInfo.selector.primaryId;
+ mHalCurrentInfo.physicallyTunedTo = mHalCurrentInfo.selector.primaryId;
+ mHalTunerCallback.onCurrentProgramInfoChanged(mHalCurrentInfo);
+ return Result.OK;
+ }).when(mBroadcastRadioMock).seek(anyBoolean(), anyBoolean());
+
+ doReturn(null).when(mBroadcastRadioMock).getImage(anyInt());
+
+ doAnswer(invocation -> {
+ int configFlag = (int) invocation.getArguments()[0];
+ if (configFlag == UNSUPPORTED_CONFIG_FLAG) {
+ throw new ServiceSpecificException(Result.NOT_SUPPORTED);
+ }
+ return mHalConfigMap.getOrDefault(configFlag, false);
+ }).when(mBroadcastRadioMock).isConfigFlagSet(anyInt());
+
+ doAnswer(invocation -> {
+ int configFlag = (int) invocation.getArguments()[0];
+ if (configFlag == UNSUPPORTED_CONFIG_FLAG) {
+ throw new ServiceSpecificException(Result.NOT_SUPPORTED);
+ }
+ mHalConfigMap.put(configFlag, (boolean) invocation.getArguments()[1]);
+ return null;
+ }).when(mBroadcastRadioMock).setConfigFlag(anyInt(), anyBoolean());
}
private long getSeekFrequency(long currentFrequency, boolean seekDown) {
diff --git a/services/core/java/com/android/server/broadcastradio/aidl/BroadcastRadioServiceImpl.java b/services/core/java/com/android/server/broadcastradio/aidl/BroadcastRadioServiceImpl.java
index 03acf72..d93ff9d 100644
--- a/services/core/java/com/android/server/broadcastradio/aidl/BroadcastRadioServiceImpl.java
+++ b/services/core/java/com/android/server/broadcastradio/aidl/BroadcastRadioServiceImpl.java
@@ -82,13 +82,6 @@
Slogf.w(TAG, "No module %s with id %d (HAL AIDL)", name, moduleId);
return;
}
- try {
- radioModule.setInternalHalCallback();
- } catch (RemoteException ex) {
- Slogf.wtf(TAG, ex, "Broadcast radio module %s with id %d (HAL AIDL) "
- + "cannot register HAL callback", name, moduleId);
- return;
- }
if (DEBUG) {
Slogf.d(TAG, "Loaded broadcast radio module %s with id %d (HAL AIDL)",
name, moduleId);
diff --git a/services/core/java/com/android/server/broadcastradio/aidl/RadioModule.java b/services/core/java/com/android/server/broadcastradio/aidl/RadioModule.java
index 4b3444d..cd86510 100644
--- a/services/core/java/com/android/server/broadcastradio/aidl/RadioModule.java
+++ b/services/core/java/com/android/server/broadcastradio/aidl/RadioModule.java
@@ -246,10 +246,6 @@
return mProperties;
}
- void setInternalHalCallback() throws RemoteException {
- mService.setTunerCallback(mHalTunerCallback);
- }
-
TunerSession openSession(android.hardware.radio.ITunerCallback userCb)
throws RemoteException {
mLogger.logRadioEvent("Open TunerSession");
@@ -257,10 +253,14 @@
Boolean antennaConnected;
RadioManager.ProgramInfo currentProgramInfo;
synchronized (mLock) {
+ boolean isFirstTunerSession = mAidlTunerSessions.isEmpty();
tunerSession = new TunerSession(this, mService, userCb);
mAidlTunerSessions.add(tunerSession);
antennaConnected = mAntennaConnected;
currentProgramInfo = mCurrentProgramInfo;
+ if (isFirstTunerSession) {
+ mService.setTunerCallback(mHalTunerCallback);
+ }
}
// Propagate state to new client.
// Note: These callbacks are invoked while holding mLock to prevent race conditions
@@ -284,7 +284,6 @@
synchronized (mLock) {
tunerSessions = new TunerSession[mAidlTunerSessions.size()];
mAidlTunerSessions.toArray(tunerSessions);
- mAidlTunerSessions.clear();
}
for (TunerSession tunerSession : tunerSessions) {
@@ -402,6 +401,14 @@
mAidlTunerSessions.remove(tunerSession);
}
onTunerSessionProgramListFilterChanged(null);
+ if (mAidlTunerSessions.isEmpty()) {
+ try {
+ mService.unsetTunerCallback();
+ } catch (RemoteException ex) {
+ Slogf.wtf(TAG, ex, "Failed to unregister HAL callback for module %d",
+ mProperties.getId());
+ }
+ }
}
// add to mHandler queue