From 0ae6b5b05c14a780b9837d8546dc9cfbf7962ebf Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Sun, 3 May 2020 18:05:30 +0200
Subject: [PATCH] Add properties to use vendor audio policy, and to disable
 audio effects

---
 phh-prop-handler.sh | 39 +++++++++++++++++++++++++++++++++++++++
 vndk.rc             |  7 +++++++
 2 files changed, 46 insertions(+)

diff --git a/phh-prop-handler.sh b/phh-prop-handler.sh
index ba0e0b7..e1eea4a 100644
--- a/phh-prop-handler.sh
+++ b/phh-prop-handler.sh
@@ -52,6 +52,15 @@ xiaomi_toggle_dt2w_event_node() {
     return 1
 }
 
+
+restartAudio() {
+    setprop ctl.restart audioserver
+    audioHal="$(getprop |sed -nE 's/.*init\.svc\.(.*audio-hal[^]]*).*/\1/p')"
+    setprop ctl.restart "$audioHal"
+    setprop ctl.restart vendor.audio-hal-2-0
+    setprop ctl.restart audio-hal-2-0
+}
+
 if [ "$1" == "persist.sys.phh.xiaomi.dt2w" ]; then
     if [[ "$prop_value" != "0" && "$prop_value" != "1" ]]; then
         exit 1
@@ -90,3 +99,33 @@ if [ "$1" == "persist.sys.phh.oppo.usbotg" ]; then
     echo "$prop_value" >/sys/class/power_supply/usb/otg_switch
     exit
 fi
+
+if [ "$1" == "persist.sys.phh.disable_audio_effects" ];then
+    if [[ "$prop_value" != "0" && "$prop_value" != "1" ]]; then
+        exit 1
+    fi
+
+    if [[ "$prop_value" == 1 ]];then
+        resetprop ro.audio.ignore_effects true
+    else
+        resetprop --delete ro.audio.ignore_effects
+    fi
+    restartAudio
+    exit
+fi
+
+if [ "$1" == "persist.sys.phh.caf.audio_policy" ];then
+    if [[ "$prop_value" != "0" && "$prop_value" != "1" ]]; then
+        exit 1
+    fi
+
+    if [[ "$prop_value" == 1 ]];then
+        umount /vendor/etc/audio
+        mount /audio_policy_configuration.xml /vendor/etc/audio_policy_configuration.xml
+    else
+        umount /vendor/etc/audio_policy_configuration.xml
+        mount /mnt/phh/empty_dir /vendor/etc/audio
+    fi
+    restartAudio
+    exit
+fi
diff --git a/vndk.rc b/vndk.rc
index b6f12fd..a2e343a 100644
--- a/vndk.rc
+++ b/vndk.rc
@@ -34,3 +34,10 @@ on property:persist.sys.phh.oppo.usbotg=*
 
 on property:persist.sys.phh.xiaomi.dt2w=*
     exec u:r:phhsu_daemon:s0 root -- /system/bin/phh-prop-handler.sh "persist.sys.phh.xiaomi.dt2w"
+
+on property:persist.sys.phh.disable_audio_effects=*
+    exec u:r:phhsu_daemon:s0 root -- /system/bin/phh-prop-handler.sh "persist.sys.phh.disable_audio_effects"
+
+on property:persist.sys.phh.caf.audio_policy=*
+    exec u:r:phhsu_daemon:s0 root -- /system/bin/phh-prop-handler.sh "persist.sys.phh.caf.audio_policy"
+