device-xiaomi-santoni: add pulseaudio support through hybris (!420)

Signed-off-by: Danct12 <danct12@disroot.org>

device/device-xiaomi-santoni/APKBUILD

@@ -77,7 +77,7 @@ nonfree_userland() {
 
 hybris () {
 	pkgdesc="libhybris (Android) hardware adaptation"
-	depends="hybris-base"
+	depends="hybris-base pulseaudio-modules-droid-7.1-caf alsa-plugins-pulse alsa-utils"
 	install="$pkgname-hybris.post-install"
 
 	mkdir "$subpkgdir"

device/device-xiaomi-santoni/device-xiaomi-santoni-hybris.post-install

@@ -23,3 +23,23 @@ mkdir -p /firmware
 
 # /vendor symlink (points to nowhere until /system is mounted)
 ln -s /system/vendor /vendor
+
+# Since Android audio HAL on this device doesn't like to be unloaded,
+# we need to stop PA from exit too.
+DEFAULT_PA=/etc/pulse/daemon.conf
+L1="exit-idle-time = -1"
+
+append_line() {
+	FN=$1
+	LINE=$2
+	if ! grep -q "${LINE}" "${FN}"; then
+		echo "Adding $LINE..."
+		echo "${LINE}" >> "${FN}"
+	else
+		echo "Not adding ${LINE}"
+	fi
+}
+
+if [ -f ${DEFAULT_PA} ]; then
+	append_line "${DEFAULT_PA}" "${L1}"
+fi