commit 7629719778eab7ca3729f26f2e5ad5120faa9c71
author Uday Kishore Pasupuleti <upasupul@codeaurora.org> Fri Sep 18 08:39:43 2015 -0700
committer Sharvil Nanavati <sharvil@google.com> Sat Sep 19 23:12:36 2015 -0700
tree 5f442f9d6d6b90a473cc3dfa505790ef2254c5fa
parent 6ba38ab0b95000c259f1e109b75b988e5ef5ca08

hal: Add support for HFP feature

- add support for audio tuning of HFP
- add TX reference for TX Echo Cancellation

Change-Id: I5d7ffe1481a5093262b4b94ae0325fa81111feac
Signed-off-by: Uday Kishore Pasupuleti <upasupul@codeaurora.org>

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 011a6b8..061aa81 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -202,6 +202,7 @@
     [SND_DEVICE_OUT_VOICE_TX] = "voice-tx",
     [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected",
     [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = "voice-speaker-protected",
+    [SND_DEVICE_OUT_VOICE_SPEAKER_HFP] = "voice-speaker-hfp",
 
     /* Capture sound devices */
     [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
@@ -238,6 +239,7 @@
     [SND_DEVICE_IN_VOICE_DMIC_TMUS] = "voice-dmic-ef-tmus",
     [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = "voice-speaker-dmic-ef",
+    [SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP] = "voice-speaker-mic-hfp",
     [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
     [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
     [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
@@ -286,6 +288,7 @@
     [SND_DEVICE_OUT_VOICE_TX] = 45,
     [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 124,
     [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = 101,
+    [SND_DEVICE_OUT_VOICE_SPEAKER_HFP] = 92,
 
     [SND_DEVICE_IN_HANDSET_MIC] = 4,
     [SND_DEVICE_IN_HANDSET_MIC_AEC] = 106,
@@ -320,6 +323,7 @@
     [SND_DEVICE_IN_VOICE_DMIC] = 41,
     [SND_DEVICE_IN_VOICE_DMIC_TMUS] = ACDB_ID_VOICE_DMIC_EF_TMUS,
     [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
+    [SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP] = 91,
     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = 43,
     [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
     [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
@@ -1776,7 +1780,11 @@
                 snd_device = SND_DEVICE_OUT_BT_SCO;
             }
         } else if (devices & (AUDIO_DEVICE_OUT_SPEAKER | AUDIO_DEVICE_OUT_SPEAKER_SAFE)) {
-            snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
+            if (!adev->enable_hfp) {
+                snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
+            } else {
+                snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_HFP;
+            }
         } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
             if(adev->voice.hac)
                 snd_device = SND_DEVICE_OUT_VOICE_HAC_HANDSET;
@@ -1902,7 +1910,12 @@
 
             //select default
             if (snd_device == SND_DEVICE_NONE) {
-                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
+                if (!adev->enable_hfp) {
+                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
+                } else {
+                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP;
+                    platform_set_echo_reference(adev, true, out_device);
+                }
             }
         } else if (out_device & AUDIO_DEVICE_OUT_TELEPHONY_TX) {
             snd_device = SND_DEVICE_IN_VOICE_RX;