commit 474de5a7805241c653960a92464c537de6fd3f9a
author Ravi Kumar Alamanda <ralama@codeaurora.org> Thu Jun 25 20:08:01 2015 -0700
committer Ravi Kumar Alamanda <ralama@codeaurora.org> Tue Sep 15 13:27:39 2015 -0700
tree e21ee1c809442f33db10922ba9253173cb889a10
parent ac2d751182a58dc590f1bf8a531d59901a774959

hal: add support for ull audio playback

Add a new use case and mixer paths to support ultra
low latency audio playback. This use case exercises the
ULL mode in the DSP.

CRs-Fixed: 892056
Change-Id: I6685dd0f346072029ca51e4ce92856a13e74ee76

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index f341241..89c8008 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -233,8 +233,10 @@
                                             DEEP_BUFFER_PCM_DEVICE},
     [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
                                            LOWLATENCY_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_ULL]         = {MULTIMEDIA3_PCM_DEVICE,
+                                            MULTIMEDIA3_PCM_DEVICE},
     [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {MULTIMEDIA2_PCM_DEVICE,
-                                        MULTIMEDIA2_PCM_DEVICE},
+                                         MULTIMEDIA2_PCM_DEVICE},
     [USECASE_AUDIO_PLAYBACK_OFFLOAD] =
                      {PLAYBACK_OFFLOAD_DEVICE, PLAYBACK_OFFLOAD_DEVICE},
 #ifdef MULTIPLE_OFFLOAD_ENABLED
@@ -598,6 +600,7 @@
 static struct name_to_index usecase_name_index[AUDIO_USECASE_MAX] = {
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_DEEP_BUFFER)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_LOW_LATENCY)},
+    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_ULL)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MULTI_CH)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD)},
 #ifdef MULTIPLE_OFFLOAD_ENABLED