From 3877b2a59fa2ff3872d0499c96cb7360dbb2c5d7 Mon Sep 17 00:00:00 2001
From: Javier Viguera <javier.viguera@digi.com>
Date: Tue, 14 Mar 2017 18:27:52 +0100
Subject: [PATCH] suspend: bring bluetooth interface down and up on suspend

https://jira.digi.com/browse/DEL-3858

Signed-off-by: Javier Viguera <javier.viguera@digi.com>
---
 .../busybox/busybox-1.24.1/{ => ccimx6}/suspend       | 11 +++++++++++
 .../busybox/busybox-1.24.1/ccimx6ul/suspend           | 11 +++++++++++
 2 files changed, 22 insertions(+)
 rename meta-digi-dey/recipes-core/busybox/busybox-1.24.1/{ => ccimx6}/suspend (85%)

diff --git a/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/suspend b/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6/suspend
similarity index 85%
rename from meta-digi-dey/recipes-core/busybox/busybox-1.24.1/suspend
rename to meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6/suspend
index ec0da8101..6888311e4 100755
--- a/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/suspend
+++ b/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6/suspend
@@ -20,6 +20,8 @@ syspower="/sys/power/state"
 lockfile="/var/lock/${scriptname}.lock"
 lockfd="9"
 
+BT_INIT="/etc/init.d/bluetooth-init"
+
 usage() {
 	printf "\nSuspend system to RAM memory\n"
 	printf "\nUsage: ${scriptname} [OPTIONS]\n
@@ -28,15 +30,24 @@ usage() {
 }
 
 suspend_interfaces() {
+	# Suspend wireless interface
 	if grep -qs '^wlan0' /var/run/ifstate; then
 		ifdown wlan0 && up_wlan_on_resume="1" && sleep 0.5 && rmmod ath6kl_sdio
 	fi
+
+	# Suspend bluetooth interface
+	hciconfig hci0 2>&1 | grep -qs UP && up_bt_on_resume="1"
+	${BT_INIT} stop >/dev/null
 }
 
 resume_interfaces() {
+	# Resume wireless interface
 	if ! grep -qs '^wlan0' /var/run/ifstate; then
 		[ -n "${up_wlan_on_resume}" ] && modprobe ath6kl_sdio && sleep 0.5 && ifup wlan0
 	fi
+
+	# Resume bluetooth interface
+	[ -n "${up_bt_on_resume}" ] && ${BT_INIT} start >/dev/null
 }
 
 enter_critical_section() {
diff --git a/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6ul/suspend b/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6ul/suspend
index cc460bee2..e213f45fe 100755
--- a/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6ul/suspend
+++ b/meta-digi-dey/recipes-core/busybox/busybox-1.24.1/ccimx6ul/suspend
@@ -20,6 +20,8 @@ syspower="/sys/power/state"
 lockfile="/var/lock/${scriptname}.lock"
 lockfd="9"
 
+BT_INIT="/etc/init.d/bluetooth-init"
+
 usage() {
 	printf "\nSuspend system to RAM memory\n"
 	printf "\nUsage: ${scriptname} [OPTIONS]\n
@@ -28,18 +30,27 @@ usage() {
 }
 
 suspend_interfaces() {
+	# Suspend wireless interface
 	if grep -qs '^wlan0' /var/run/ifstate; then
 		ifdown wlan0 && up_wlan_on_resume="1"
 	fi
 	if grep -qs '^wlan' /proc/modules; then
 		rmmod wlan
 	fi
+
+	# Suspend bluetooth interface
+	hciconfig hci0 2>&1 | grep -qs UP && up_bt_on_resume="1"
+	${BT_INIT} stop >/dev/null
 }
 
 resume_interfaces() {
+	# Resume wireless interface
 	if ! grep -qs '^wlan0' /var/run/ifstate; then
 		[ -n "${up_wlan_on_resume}" ] && ifup wlan0
 	fi
+
+	# Resume bluetooth interface
+	[ -n "${up_bt_on_resume}" ] && ${BT_INIT} start >/dev/null
 }
 
 enter_critical_section() {