commit 6435dd74a14ee1db195f5479147d71df7eb3cf9d
author Eric Laurent <elaurent@google.com> Wed Dec 02 14:42:42 2020 +0100
committer Eric Laurent <elaurent@google.com> Thu Dec 17 21:47:58 2020 +0100
tree 5cab834e5d300cf10e62ad8caeeef8f3c0c0004e
parent 2517af3ee8caec6d6de4c9e8f052d0579b6ec1b2

audio policy: allow USB device for voice comm capture in speakerphone

When no built-in microphone is present, allow capture from USB accessory
(e.g web cam) for voice communication use cases even when speakerphone
mode is on. Even if the echo cancelling does not perform well, this is
better than a failure to capture.

Bug: 168662367
Test: basic audio regression tests
Change-Id: I59c6b3206c7eb6265044879ced0afb4ac7281ecd

services/audiopolicy/enginedefault/src/Engine.cpp

diff --git a/services/audiopolicy/enginedefault/src/Engine.cpp b/services/audiopolicy/enginedefault/src/Engine.cpp
index def2e30..159ca08 100644
--- a/services/audiopolicy/enginedefault/src/Engine.cpp
+++ b/services/audiopolicy/enginedefault/src/Engine.cpp
@@ -487,7 +487,8 @@
             break;
         case AUDIO_DEVICE_OUT_SPEAKER:
             device = availableDevices.getFirstExistingDevice({
-                    AUDIO_DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC});
+                    AUDIO_DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC,
+                    AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_USB_HEADSET});
             break;
         default:    // FORCE_NONE
             device = availableDevices.getFirstExistingDevice({