1 files changed, 23 insertions, 2 deletions
diff --git a/system/audio_hal_interface/aidl/client_interface.cc b/system/audio_hal_interface/aidl/client_interface.cc
index 9626ecdb40..6bf3bd7db2 100644
--- a/system/audio_hal_interface/aidl/client_interface.cc
+++ b/system/audio_hal_interface/aidl/client_interface.cc
@@ -232,6 +232,24 @@ bool BluetoothAudioClientInterface::UpdateAudioConfig(
   return true;
 }
 
+bool BluetoothAudioClientInterface::SetLowLatencyModeAllowed(bool allowed) {
+  is_low_latency_allowed_ = allowed;
+  if (provider_ == nullptr) {
+    LOG(INFO) << __func__
+              << ": BluetoothAudioHal nullptr";
+    return false;
+  }
+
+  auto aidl_retval = provider_->setLowLatencyModeAllowed(allowed);
+  if (!aidl_retval.isOk()) {
+    LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: "
+               << aidl_retval.getDescription();
+    return false;
+  }
+  return true;
+}
+
+
 int BluetoothAudioClientInterface::StartSession() {
   std::lock_guard<std::mutex> guard(internal_mutex_);
   if (provider_ == nullptr) {
@@ -249,9 +267,12 @@ int BluetoothAudioClientInterface::StartSession() {
 
   std::unique_ptr<DataMQ> data_mq;
   DataMQDesc mq_desc;
-
+  std::vector<LatencyMode> latency_modes = {LatencyMode::FREE};
+  if (is_low_latency_allowed_) {
+    latency_modes.push_back(LatencyMode::LOW_LATENCY);
+  }
   auto aidl_retval = provider_->startSession(
-      stack_if, transport_->GetAudioConfiguration(), &mq_desc);
+      stack_if, transport_->GetAudioConfiguration(), latency_modes, &mq_desc);
   if (!aidl_retval.isOk()) {
     LOG(FATAL) << __func__ << ": BluetoothAudioHal failure: "
                << aidl_retval.getDescription();