From fd12ec83cb75f1c95d234f047d5629681249c160 Mon Sep 17 00:00:00 2001
From: Calin Crisan <ccrisan@gmail.com>
Date: Thu, 12 Sep 2019 21:55:32 +0300
Subject: [PATCH] Raspberry Pi (all): S13btuart: exit on empty bluetooth.conf

---
 board/raspberrypi/overlay/etc/init.d/S13btuart  | 4 ++++
 board/raspberrypi3/overlay/etc/init.d/S13btuart | 4 ++++
 board/raspberrypi4/overlay/etc/init.d/S13btuart | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/board/raspberrypi/overlay/etc/init.d/S13btuart b/board/raspberrypi/overlay/etc/init.d/S13btuart
index aa2d0f431e..d0090f6612 100755
--- a/board/raspberrypi/overlay/etc/init.d/S13btuart
+++ b/board/raspberrypi/overlay/etc/init.d/S13btuart
@@ -13,6 +13,10 @@ if ! [ -d "/proc/device-tree/soc/gpio@7e200000/uart0_pins" ]; then
     exit 0  # no rpi bluetooth detected
 fi
 
+if [[ -f ${CONF} ]] && ! [[ -s ${CONF} ]]; then
+    exit 0  # bluetooth explicitly disabled by empty bluetooth.conf
+fi
+
 test -n "${OS_VERSION}" || source /etc/init.d/base
 
 function start() {
diff --git a/board/raspberrypi3/overlay/etc/init.d/S13btuart b/board/raspberrypi3/overlay/etc/init.d/S13btuart
index aa2d0f431e..d0090f6612 100755
--- a/board/raspberrypi3/overlay/etc/init.d/S13btuart
+++ b/board/raspberrypi3/overlay/etc/init.d/S13btuart
@@ -13,6 +13,10 @@ if ! [ -d "/proc/device-tree/soc/gpio@7e200000/uart0_pins" ]; then
     exit 0  # no rpi bluetooth detected
 fi
 
+if [[ -f ${CONF} ]] && ! [[ -s ${CONF} ]]; then
+    exit 0  # bluetooth explicitly disabled by empty bluetooth.conf
+fi
+
 test -n "${OS_VERSION}" || source /etc/init.d/base
 
 function start() {
diff --git a/board/raspberrypi4/overlay/etc/init.d/S13btuart b/board/raspberrypi4/overlay/etc/init.d/S13btuart
index aa2d0f431e..d0090f6612 100755
--- a/board/raspberrypi4/overlay/etc/init.d/S13btuart
+++ b/board/raspberrypi4/overlay/etc/init.d/S13btuart
@@ -13,6 +13,10 @@ if ! [ -d "/proc/device-tree/soc/gpio@7e200000/uart0_pins" ]; then
     exit 0  # no rpi bluetooth detected
 fi
 
+if [[ -f ${CONF} ]] && ! [[ -s ${CONF} ]]; then
+    exit 0  # bluetooth explicitly disabled by empty bluetooth.conf
+fi
+
 test -n "${OS_VERSION}" || source /etc/init.d/base
 
 function start() {