From a87851c6b5f78036c5852d2b73bb588780f8fc50 Mon Sep 17 00:00:00 2001
From: LuK1337 <priv.luk@gmail.com>
Date: Mon, 29 Jan 2018 00:55:25 +0100
Subject: [PATCH] FP4: audio: Disable ULL mode

 * Ultra low latency playback is currently broken. Crackling audio
   can be well noticed while playing WhatsApp audio messages or even
   during some games.
 * This patch routes all audio that normally used audio-ull-playback
   paths to low-latency-playback paths instead, thus meaning we're
   switching from ULL to LL mode.

Change-Id: I7d672f1ff10b984c8096c9c4ca83475e730fd16f
---
 audio/audio_policy_configuration.xml          | 29 ++++++++-----------
 ...cy_configuration_a2dp_offload_disabled.xml | 29 ++++++++-----------
 2 files changed, 24 insertions(+), 34 deletions(-)

diff --git a/audio/audio_policy_configuration.xml b/audio/audio_policy_configuration.xml
index 0677a69..5c4e7aa 100644
--- a/audio/audio_policy_configuration.xml
+++ b/audio/audio_policy_configuration.xml
@@ -62,11 +62,6 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
-                <mixPort name="raw" role="source"
-                        flags="AUDIO_OUTPUT_FLAG_FAST|AUDIO_OUTPUT_FLAG_RAW">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </mixPort>
                 <mixPort name="deep_buffer" role="source"
                         flags="AUDIO_OUTPUT_FLAG_DEEP_BUFFER">
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
@@ -314,29 +309,29 @@
             <!-- route declaration, i.e. list all available sources for a given sink -->
             <routes>
                 <route type="mix" sink="Earpiece"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Speaker"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Wired Headset"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Wired Headphones"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Line"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="HDMI"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,compress_passthrough,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,compress_passthrough,voip_rx"/>
                 <route type="mix" sink="Proxy"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload"/>
                 <route type="mix" sink="BT SCO"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="BT SCO Headset"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="BT SCO Car Kit"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="USB Device Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
                 <route type="mix" sink="USB Headset Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
                 <route type="mix" sink="Telephony Tx"
                        sources="voice_tx,incall_music_uplink"/>
                 <route type="mix" sink="voice_rx"
diff --git a/audio/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/audio_policy_configuration_a2dp_offload_disabled.xml
index 8bc77d5..e810b96 100644
--- a/audio/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -62,11 +62,6 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
-                <mixPort name="raw" role="source"
-                        flags="AUDIO_OUTPUT_FLAG_FAST|AUDIO_OUTPUT_FLAG_RAW">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </mixPort>
                 <mixPort name="deep_buffer" role="source"
                         flags="AUDIO_OUTPUT_FLAG_DEEP_BUFFER">
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
@@ -299,29 +294,29 @@
             <!-- route declaration, i.e. list all available sources for a given sink -->
             <routes>
                 <route type="mix" sink="Earpiece"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Speaker"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Wired Headset"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Wired Headphones"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="Line"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
                 <route type="mix" sink="HDMI"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,compress_passthrough,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,compress_passthrough,voip_rx"/>
                 <route type="mix" sink="Proxy"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload"/>
                 <route type="mix" sink="BT SCO"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="BT SCO Headset"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="BT SCO Car Kit"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="USB Device Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
                 <route type="mix" sink="USB Headset Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
                 <route type="mix" sink="Telephony Tx"
                        sources="voice_tx,incall_music_uplink"/>
                 <route type="mix" sink="voice_rx"
-- 
GitLab