From 7e1b4efbd2c4eb83d71591b8d0f596de412889fa Mon Sep 17 00:00:00 2001
From: Romain Goyet <romain.goyet@numworks.com>
Date: Mon, 17 Jun 2019 11:26:53 +0200
Subject: [PATCH] [ion/device/display] Make sure the calibration is properly
 sent

---
 ion/src/device/shared/drivers/display.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ion/src/device/shared/drivers/display.cpp b/ion/src/device/shared/drivers/display.cpp
index 20d5bb74f..5b29805f6 100644
--- a/ion/src/device/shared/drivers/display.cpp
+++ b/ion/src/device/shared/drivers/display.cpp
@@ -323,7 +323,8 @@ void initPanel() {
   const uint8_t * gammaCalibration = nullptr;
   uint32_t panelId = panelIdentifier();
   if (panelId == 0x4E4101) {
-    const uint8_t calibration[] = {0xF0, 0x8, 0x12, 0x9, 0xC, 0x1A, 0x36, 0x57, 0x43, 0x29, 0x19, 0x15, 0x2D, 0x32};
+    // Don't forget the "static" qualifier, otherwise this array can be deleted before reaching send_long_command
+    static const uint8_t calibration[] = {0xF0, 0x8, 0x12, 0x9, 0xC, 0x1A, 0x36, 0x57, 0x43, 0x29, 0x19, 0x15, 0x2D, 0x32};
     gammaCalibration = calibration;
   }
   if (gammaCalibration != nullptr) {