From 62f2cf5b45a69a6f81306c97faf69652e1c93f39 Mon Sep 17 00:00:00 2001
From: Patty <plhuang@google.com>
Date: Fri, 7 Jan 2022 18:09:30 +0800
Subject: [PATCH] Correct the offload capability and update comment

- Add some comments to describe the supported scenario
- Correct the config from mono to stereo, when only one device is
  connected, mono only need one audio channel, for stereo case,
  support 2 audio channels.

Tag: #feature
Bug: 203535499
Bug: 150670922
Test: make build
Change-Id: I6dacca8965f48ed58506b63f8d3939afb6f5b1b6
---
 .../session/BluetoothAudioSupportedCodecsDB_2_2.cpp    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp b/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp
index 34cfd7efb7..84e0486f4c 100644
--- a/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp
+++ b/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp
@@ -73,9 +73,13 @@ static AudioLocation monoAudio = AudioLocation::UNKNOWN;
 // Stores the supported setting of audio location, connected device, and the
 // channel count for each device
 std::vector<std::tuple<AudioLocation, uint8_t, uint8_t>>
-    supportedDeviceSetting = {std::make_tuple(stereoAudio, 2, 1),
-                              std::make_tuple(monoAudio, 1, 2),
-                              std::make_tuple(monoAudio, 1, 1)};
+    supportedDeviceSetting = {
+        // Stereo, two connected device, one for L one for R
+        std::make_tuple(stereoAudio, 2, 1),
+        // Stereo, one connected device for both L and R
+        std::make_tuple(stereoAudio, 1, 2),
+        // Mono
+        std::make_tuple(monoAudio, 1, 1)};
 
 bool IsOffloadLeAudioConfigurationValid(
     const ::android::hardware::bluetooth::audio::V2_1::SessionType&