From 154b7d256c3f84f5df24568e47918932df105d4f Mon Sep 17 00:00:00 2001
From: Tim O'Brien <timo@t413.com>
Date: Thu, 27 Oct 2022 11:03:27 -0700
Subject: [PATCH] Powers off eink backlights before shutdown

- t-echo boards in particular need this
- follows the existing defines structure
---
 src/Power.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Power.cpp b/src/Power.cpp
index d3782a2a4..744b6360a 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -234,6 +234,9 @@ bool Power::setup()
 void Power::shutdown()
 {
 
+#if defined(USE_EINK)
+    digitalWrite(PIN_EINK_EN, LOW); //power off backlight first
+#endif
 
 #ifdef HAS_PMU
     DEBUG_MSG("Shutting down\n");