From 4cf2279af8fc9f23f00d5d906f305cac5d7dd43a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Thu, 13 Apr 2017 10:07:14 +0200
Subject: [PATCH] [ion] Shutdown all GPIO used in sleep mode

Change-Id: I893e4c9ae19c6e5e897837888ad13aefac3bacef
---
 ion/src/device/backlight.cpp | 3 ++-
 ion/src/device/battery.cpp   | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ion/src/device/backlight.cpp b/ion/src/device/backlight.cpp
index 446a0ab8b..ad71b85d1 100644
--- a/ion/src/device/backlight.cpp
+++ b/ion/src/device/backlight.cpp
@@ -39,7 +39,8 @@ void init() {
 }
 
 void shutdown() {
-  GPIOC.ODR()->set(6, false);
+  GPIOC.MODER()->setMode(6, GPIO::MODER::Mode::Analog);
+  GPIOC.PUPDR()->setPull(6, GPIO::PUPDR::Pull::None);
 }
 
 void suspend() {
diff --git a/ion/src/device/battery.cpp b/ion/src/device/battery.cpp
index a7b742bda..f3ed16364 100644
--- a/ion/src/device/battery.cpp
+++ b/ion/src/device/battery.cpp
@@ -75,6 +75,9 @@ void initGPIO() {
 }
 
 void shutdown() {
+  ChargingGPIO.MODER()->setMode(ChargingPin, GPIO::MODER::Mode::Analog);
+  ChargingGPIO.PUPDR()->setPull(ChargingPin, GPIO::PUPDR::Pull::None);
+
   // Disable the ADC
   ADC.CR2()->setADON(false);
   RCC.APB2ENR()->setADC1EN(false);