commit ad481a79ba169ace882bade17861a470edd6577b
author jiabin <jiabin@google.com> Mon Jul 23 12:03:17 2018 -0700
committer jiabin <jiabin@google.com> Wed Aug 01 09:48:35 2018 -0700
tree 9c0155d9841f489ee06cd3536df8d7fcfacf2087
parent caa8e2c08e042e0a64615a531378c96f7fdd404d

Decrease afe proxy buffer size.

Decrease afe proxy buffer size to get a better performance on usb phone
call latency.

Bug: 30090904
Test: make phone call on marlin
Change-Id: Ibe393703d58e83f97fe1d24d5c21aca52124de69

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 7300906..e5a52d0 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -225,7 +225,7 @@
 #define AFE_PROXY_CHANNEL_COUNT 2
 #define AFE_PROXY_SAMPLING_RATE 48000
 
-#define AFE_PROXY_PLAYBACK_PERIOD_SIZE  768
+#define AFE_PROXY_PLAYBACK_PERIOD_SIZE  256
 #define AFE_PROXY_PLAYBACK_PERIOD_COUNT 4
 
 struct pcm_config pcm_config_afe_proxy_playback = {
@@ -239,7 +239,7 @@
     .avail_min = AFE_PROXY_PLAYBACK_PERIOD_SIZE,
 };
 
-#define AFE_PROXY_RECORD_PERIOD_SIZE  768
+#define AFE_PROXY_RECORD_PERIOD_SIZE  256
 #define AFE_PROXY_RECORD_PERIOD_COUNT 4
 
 struct pcm_config pcm_config_afe_proxy_record = {