commit 24f86f37f09034e817e3e2899cacf8486206542d
author Chaithanya Krishna Bacharaju <chaithan@codeaurora.org> Thu May 26 16:34:53 2016 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Tue Jun 14 23:51:20 2016 -0700
tree dd113661305309637567ce15fc06519f97ea4e75
parent 9955b1612acfb4e6078f6615b484fa6396fd2aa5

audio: Add support for unprocessed audio source

Add support to capture unprocessed audio.

Change-Id: Iffafe1769577e42973562d8f72157a756ee2adf7

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 8ce4ccb..b39b668 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -444,6 +444,11 @@
     [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = "quad-mic",
     [SND_DEVICE_IN_THREE_MIC] = "three-mic",
     [SND_DEVICE_IN_HANDSET_TMIC] = "three-mic",
+    [SND_DEVICE_IN_UNPROCESSED_MIC] = "unprocessed-mic",
+    [SND_DEVICE_IN_UNPROCESSED_STEREO_MIC] = "voice-rec-dmic-ef",
+    [SND_DEVICE_IN_UNPROCESSED_THREE_MIC] = "three-mic",
+    [SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = "quad-mic",
+    [SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = "headset-mic",
 };
 
 // Platform specific backend bit width table
@@ -557,6 +562,11 @@
     [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = 129,
     [SND_DEVICE_IN_THREE_MIC] = 46, /* for APSS Surround Sound Recording */
     [SND_DEVICE_IN_HANDSET_TMIC] = 125, /* for 3mic recording with fluence */
+    [SND_DEVICE_IN_UNPROCESSED_MIC] = 143,
+    [SND_DEVICE_IN_UNPROCESSED_STEREO_MIC] = 144,
+    [SND_DEVICE_IN_UNPROCESSED_THREE_MIC] = 145,
+    [SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = 146,
+    [SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = 147,
 };
 
 struct name_to_index {
@@ -672,6 +682,11 @@
     {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)},
     {TO_NAME_INDEX(SND_DEVICE_IN_THREE_MIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_TMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_STEREO_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_THREE_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_QUAD_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC)},
 };
 
 static char * backend_tag_table[SND_DEVICE_MAX] = {0};
@@ -3138,6 +3153,24 @@
                     snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
             }
       }
+    } else if (source == AUDIO_SOURCE_UNPROCESSED) {
+        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+            if (((channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) ||
+                (channel_mask == AUDIO_CHANNEL_IN_STEREO)) &&
+                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
+                snd_device = SND_DEVICE_IN_UNPROCESSED_STEREO_MIC;
+            } else if (((int)channel_mask == AUDIO_CHANNEL_INDEX_MASK_3) &&
+                (my_data->source_mic_type & SOURCE_THREE_MIC)) {
+                snd_device = SND_DEVICE_IN_UNPROCESSED_THREE_MIC;
+            } else if (((int)channel_mask == AUDIO_CHANNEL_INDEX_MASK_4) &&
+                       (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
+                snd_device = SND_DEVICE_IN_UNPROCESSED_QUAD_MIC;
+            } else {
+                snd_device = SND_DEVICE_IN_UNPROCESSED_MIC;
+            }
+        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+            snd_device = SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC;
+        }
     } else if ((source == AUDIO_SOURCE_VOICE_COMMUNICATION) ||
               (mode == AUDIO_MODE_IN_COMMUNICATION)) {
         if (out_device & AUDIO_DEVICE_OUT_SPEAKER)