From 0fbb03dee17505d845abfaacc2ed047cf4979fa1 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Mon, 4 Oct 2021 09:11:00 +0200
Subject: [PATCH] ROMFS: add option for startup tune volume

Otherwise the CBRK_BUZZER param does not work as it should.
---
 ROMFS/px4fmu_common/init.d/airframes/4061_atl_mantis_edu | 3 ++-
 ROMFS/px4fmu_common/init.d/rcS                           | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ROMFS/px4fmu_common/init.d/airframes/4061_atl_mantis_edu b/ROMFS/px4fmu_common/init.d/airframes/4061_atl_mantis_edu
index 95692923e4..70f9c0d5f9 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/4061_atl_mantis_edu
+++ b/ROMFS/px4fmu_common/init.d/airframes/4061_atl_mantis_edu
@@ -201,4 +201,5 @@ param set-default SENS_FLOW_ROT    4
 mixer load /dev/tap_esc /etc/mixers/quad_x.main.mix
 
 # ignore the SD card errors and use normal startup sound, and make it less loud
-set STARTUP_TUNE "1 -s 20"
+set STARTUP_TUNE "1"
+set STARTUP_TUNE_VOLUME "-s 20"
diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 20e09150b9..5e59707773 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -49,6 +49,7 @@ set SDCARD_EXT_PATH /fs/microsd/ext_autostart
 set SDCARD_FORMAT no
 set SDCARD_MIXERS_PATH /fs/microsd/etc/mixers
 set STARTUP_TUNE 1
+set STARTUP_TUNE_VOLUME ""
 set USE_IO no
 set VEHICLE_TYPE none
 
@@ -481,9 +482,9 @@ else
 	# Play the startup tune (if not disabled or there is an error)
 	#
 	param compare CBRK_BUZZER 782090
-	if [ $? != 0 -o $STARTUP_TUNE != 1 ]
+	if [ "$?" != "0" -o "$STARTUP_TUNE" != "1" ]
 	then
-		tune_control play -t $STARTUP_TUNE
+		tune_control play -t $STARTUP_TUNE $STARTUP_TUNE_VOLUME
 	fi
 
 	#
@@ -602,6 +603,7 @@ unset SDCARD_EXT_PATH
 unset SDCARD_FORMAT
 unset SDCARD_MIXERS_PATH
 unset STARTUP_TUNE
+unset STARTUP_TUNE_VOLUME
 unset USE_IO
 unset VEHICLE_TYPE