HDMI: Do not start NewDeviceAction while DeviceDiscoveryAction is running
<Report Physical Address> processed by local device TV starts a
NewDeviceAction which can interfere with DeviceDiscoveryAction.
Flag: EXEMPT bugfix
Test: atest com.android.server.hdmi
Bug: 349007368
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f25748e46c012ed18d367bf3cb3ae261c7e4a58b)
Merged-In: I1da6e45f852f3e8bab0b51003e7929a6904f80b9
Change-Id: I1da6e45f852f3e8bab0b51003e7929a6904f80b9
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
index 46061a5..5449089 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
@@ -577,6 +577,12 @@
@Constants.HandleMessageResult
protected int handleReportPhysicalAddress(HdmiCecMessage message) {
super.handleReportPhysicalAddress(message);
+ // Ignore <Report Physical Address> while DeviceDiscoveryAction is in progress to avoid
+ // starting a NewDeviceAction which might interfere in creating the list of known devices.
+ if (hasAction(DeviceDiscoveryAction.class)) {
+ return Constants.HANDLED;
+ }
+
int path = HdmiUtils.twoBytesToInt(message.getParams());
int address = message.getSource();
int type = message.getParams()[2];
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTvTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTvTest.java
index 67ae998..01c4d1f 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTvTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTvTest.java
@@ -1878,4 +1878,33 @@
assertThat(mPowerManager.isInteractive()).isTrue();
}
+
+ @Test
+ public void handleReportPhysicalAddress_DeviceDiscoveryActionInProgress_noNewDeviceAction() {
+ mHdmiControlService.getHdmiCecNetwork().clearDeviceList();
+ mNativeWrapper.setPollAddressResponse(ADDR_PLAYBACK_1, SendMessageResult.SUCCESS);
+ mHdmiControlService.allocateLogicalAddress(mLocalDevices, INITIATED_BY_ENABLE_CEC);
+ mNativeWrapper.clearResultMessages();
+ mTestLooper.dispatchAll();
+
+ HdmiCecMessage reportPhysicalAddressFromPlayback1 =
+ HdmiCecMessageBuilder.buildReportPhysicalAddressCommand(
+ ADDR_PLAYBACK_1, 0x1000, HdmiDeviceInfo.DEVICE_PLAYBACK);
+ HdmiCecMessage reportPhysicalAddressFromPlayback2 =
+ HdmiCecMessageBuilder.buildReportPhysicalAddressCommand(
+ ADDR_PLAYBACK_2, 0x2000, HdmiDeviceInfo.DEVICE_PLAYBACK);
+ HdmiCecMessage giveOsdName = HdmiCecMessageBuilder.buildGiveOsdNameCommand(
+ ADDR_TV, ADDR_PLAYBACK_2);
+ // Skip state waiting for <Report Physical Address> for DeviceDiscoveryAction s.t. message
+ // can be dispatched to local device TV.
+ mNativeWrapper.onCecMessage(reportPhysicalAddressFromPlayback1);
+ mNativeWrapper.clearResultMessages();
+ mTestLooper.dispatchAll();
+
+ mNativeWrapper.onCecMessage(reportPhysicalAddressFromPlayback2);
+ mTestLooper.dispatchAll();
+
+ // NewDeviceAction did not start and <Give OSD Name> was not sent.
+ assertThat(mNativeWrapper.getResultMessages()).doesNotContain(giveOsdName);
+ }
}