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Commit 9eaa0b83 authored by Henri Chataing's avatar Henri Chataing Committed by Automerger Merge Worker
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Merge "bluetooth/aidl: Enable HCI reset in default hal only when running on... 

Merge "bluetooth/aidl: Enable HCI reset in default hal only when running on emulator devices" into main am: 47710091 am: 6f2789f9 am: 72e2afa6

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2700504



Change-Id: I4c382e36f5a3f760dba467d87eb10ea6af4347b7
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 0c3474c6 72e2afa6

bluetooth/aidl/default/BluetoothHci.cpp

+26 −2
Original line number Diff line number Diff line
@@ -55,6 +55,19 @@ namespace aidl::android::hardware::bluetooth::impl { 


void OnDeath(void* cookie);



std::optional<std::string> GetSystemProperty(const std::string& property) {

  std::array<char, PROPERTY_VALUE_MAX> value_array{0};

  auto value_len = property_get(property.c_str(), value_array.data(), nullptr);

  if (value_len <= 0) {

    return std::nullopt;

  }

  return std::string(value_array.data(), value_len);

}



bool starts_with(const std::string& str, const std::string& prefix) {

  return str.compare(0, prefix.length(), prefix) == 0;

}



class BluetoothDeathRecipient {

 public:

  BluetoothDeathRecipient(BluetoothHci* hci) : mHci(hci) {}
@@ -232,8 +245,19 @@ ndk::ScopedAStatus BluetoothHci::initialize( 


  mDeathRecipient->LinkToDeath(mCb);



  // TODO: This should not be necessary when the device implements rfkill.

  // TODO: HCI Reset on emulators since the bluetooth controller

  // cannot be powered on/off during the HAL setup; and the stack

  // might received spurious packets/events during boottime.

  // Proper solution would be to use bt-virtio or vsock to better

  // control the link to rootcanal and the controller lifetime.

  const std::string kBoardProperty = "ro.product.board";

  const std::string kCuttlefishBoard = "cutf";

  auto board_name = GetSystemProperty(kBoardProperty);

  if (board_name.has_value() && (

        starts_with(board_name.value(), "cutf") ||

        starts_with(board_name.value(), "goldfish"))) {

    reset();

  }



  mH4 = std::make_shared<H4Protocol>(

      mFd,