commit 78b70c0a0515a7e1b43abaea79b5f7935bef3d89
author Vidyakumar Athota <vathota@codeaurora.org> Mon Jun 29 17:19:45 2015 -0700
committer Mingming Yin <mingming@codeaurora.org> Mon Mar 14 11:48:19 2016 -0700
tree 9d7a4d36f992ad0d9596f60fdb917581a686ecc5
parent 726c71d53a5031886a02791f1d8042f527953397

hal: add support for fluence in voice recognition

Add support to use 3 or 4 mic devices with fluence processing
for voice recognition use case.

CRs-Fixed: 866947
Change-Id: I028d9cf60e235481030bfea06ab67aa15eb7d7be

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index d9e7745..c8edd3e 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -2686,11 +2686,16 @@
         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
             if (channel_count == 2) {
                 snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_STEREO;
-            } else if (adev->active_input->enable_ns)
-                snd_device = SND_DEVICE_IN_VOICE_REC_MIC_NS;
-            else if (my_data->fluence_type != FLUENCE_NONE &&
+            } else if (my_data->fluence_type != FLUENCE_NONE &&
                      my_data->fluence_in_voice_rec) {
-                snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE;
+                if (my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                    snd_device = SND_DEVICE_IN_HANDSET_QMIC;
+                } else {
+                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE;
+                }
+                platform_set_echo_reference(adev->platform, true, out_device);
+            } else if (adev->active_input->enable_ns) {
+                snd_device = SND_DEVICE_IN_VOICE_REC_MIC_NS;
             } else {
                 snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
             }