commit 5beddd42081b2ef7c13f7730ee6c9689ef421a98
author Haynes Mathew George <hgeorge@codeaurora.org> Mon Jun 27 18:33:40 2016 -0700
committer Haynes Mathew George <hgeorge@codeaurora.org> Thu Aug 04 11:13:56 2016 -0700
tree e5787bb13b7572726b60e7892840dee4e85f096b
parent 8f0306eb2b13d14f02f83aa438a690ba28cfcbda

audio: low latency playback optimizations

Add support to configure input and output streams as
legacy (faster than realtime) or realtime

CRs-Fixed: 1035545
Change-Id: Idebe3624bd14d5384b8c42d4f74d1874537b6028

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 500a28d..9a87c0f 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -767,6 +767,7 @@
 #define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
 #define PCM_OFFLOAD_PLATFORM_DELAY (30*1000LL)
 #define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
+#define ULL_PLATFORM_DELAY (6*1000LL)
 
 static void update_codec_type(const char *snd_card_name) {
 
@@ -3825,6 +3826,8 @@
         case USECASE_AUDIO_PLAYBACK_OFFLOAD:
         case USECASE_AUDIO_PLAYBACK_OFFLOAD2:
             return PCM_OFFLOAD_PLATFORM_DELAY;
+        case USECASE_AUDIO_PLAYBACK_ULL:
+            return ULL_PLATFORM_DELAY;
         default:
             return 0;
     }