Merge remote-tracking branch 'origin/tqtc/lts-5.15.11' into tqtc/lts-5.15-opensourcev5.15.11-lts-lgpl

Change-Id: I0445e0f773a4a9fff593002859a9fdea779796e7

1 files changed, 6 insertions, 0 deletions

diff --git a/src/bluetooth/qbluetoothservicediscoveryagent_p.h b/src/bluetooth/qbluetoothservicediscoveryagent_p.h
index 0527cdde..40321c55 100644
--- a/src/bluetooth/qbluetoothservicediscoveryagent_p.h
+++ b/src/bluetooth/qbluetoothservicediscoveryagent_p.h
@@ -223,6 +223,12 @@ private:
     LocalDeviceBroadcastReceiver *localDeviceReceiver = nullptr;
 
     QAndroidJniObject btAdapter;
+    // The sdpCache caches service discovery results while it is running, and is
+    // cleared once finished. The cache is used as we may (or may not) get more accurate
+    // results after the first result. This temporary caching allows to send the
+    // serviceDiscovered() signal once per service and with the most accurate information.
+    // Partial cache clearing may occur already during the scan if the second (more accurate)
+    // scan result is received.
     QMap<QBluetoothAddress,QPair<QBluetoothDeviceInfo,QList<QBluetoothUuid> > > sdpCache;
 #endif