From 80d1365e54f3806dda8042b409aabf912717ece5 Mon Sep 17 00:00:00 2001
From: JJ Lee <leejj@google.com>
Date: Wed, 3 Jul 2024 16:33:30 +0800
Subject: [PATCH] audio: power optimization for deepbuffer playback

Bug: 249436330
Test: build pass, cts pass, regression test pass
Flag: EXEMPT bugfix
Change-Id: Iacf4ad1ade7148491b24e7bd0f1e423f0a6d34de
Signed-off-by: JJ Lee <leejj@google.com>
---
 audio/husky/config/audio_platform_configuration.xml      | 4 ++--
 audio/ripcurrent/config/audio_platform_configuration.xml | 4 ++--
 audio/shiba/config/audio_platform_configuration.xml      | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/audio/husky/config/audio_platform_configuration.xml b/audio/husky/config/audio_platform_configuration.xml
index 3c403c1..9b28124 100644
--- a/audio/husky/config/audio_platform_configuration.xml
+++ b/audio/husky/config/audio_platform_configuration.xml
@@ -179,8 +179,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 40 periods * 48 frames/period(=1ms w/ 48k sample rate) * 2ch *4(float) = 15360 bytes -->
         <usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 2 * 40ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="40" period_num="2"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with flag AUDIO_OUTPUT_SPATIALIZER -->
diff --git a/audio/ripcurrent/config/audio_platform_configuration.xml b/audio/ripcurrent/config/audio_platform_configuration.xml
index 2435e98..4748e6f 100644
--- a/audio/ripcurrent/config/audio_platform_configuration.xml
+++ b/audio/ripcurrent/config/audio_platform_configuration.xml
@@ -179,8 +179,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 40 periods * 48 frames/period(=1ms w/ 48k sample rate) * 2ch *4(float) = 15360 bytes -->
         <usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 2 * 40ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="40" period_num="2"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with flag AUDIO_OUTPUT_SPATIALIZER -->
diff --git a/audio/shiba/config/audio_platform_configuration.xml b/audio/shiba/config/audio_platform_configuration.xml
index 3c403c1..9b28124 100644
--- a/audio/shiba/config/audio_platform_configuration.xml
+++ b/audio/shiba/config/audio_platform_configuration.xml
@@ -179,8 +179,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 40 periods * 48 frames/period(=1ms w/ 48k sample rate) * 2ch *4(float) = 15360 bytes -->
         <usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 2 * 40ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="40" period_num="2"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with flag AUDIO_OUTPUT_SPATIALIZER -->