commit 5062ccee15e0b9fafb9c1d3edf6ebee3f1b26a96
author samin.ryu <samin.ryu@lge.com> Thu Oct 11 13:07:57 2012 +0900
committer Iliyan Malchev <malchev@google.com> Wed Oct 17 11:38:18 2012 -0700
tree 5d58ba6d4057e29eaf754a2f0cd7d98dec83c01b
parent 0f5426b31b9a15743e4621a972cccafc4087aa62

alsa_sound: change input device for communication

Match to VOIP speaker device pair with voice call.  In voice call using
speakerphone, we want to use BACK_MIC for input.

Bug: 7329372
Change-Id: I9c42719f17e2be6f0b38292dc74ac3ce54767b64
Signed-off-by: Iliyan Malchev <malchev@google.com>

alsa_sound/alsa_default.cpp

diff --git a/alsa_sound/alsa_default.cpp b/alsa_sound/alsa_default.cpp
index 40d575c..316921d 100644
--- a/alsa_sound/alsa_default.cpp
+++ b/alsa_sound/alsa_default.cpp
@@ -409,6 +409,11 @@
         } else if (devices & AudioSystem::DEVICE_IN_BUILTIN_MIC) {
             if (mode == AudioSystem::MODE_IN_CALL) {
                 devices |= AudioSystem::DEVICE_OUT_EARPIECE;
+            } else if (mode == AudioSystem::MODE_IN_COMMUNICATION) {
+                if (!strncmp(curRxUCMDevice, SND_USE_CASE_DEV_SPEAKER, MAX_LEN(curRxUCMDevice, SND_USE_CASE_DEV_SPEAKER))) {
+                    devices &= ~AudioSystem::DEVICE_IN_BUILTIN_MIC;
+                    devices |= AudioSystem::DEVICE_IN_BACK_MIC;
+                }
             }
         } else if (devices & AudioSystem::DEVICE_OUT_EARPIECE) {
             devices = devices | AudioSystem::DEVICE_IN_BUILTIN_MIC;