From 3381ac447175af3252c79c3e066cbbc38c400c85 Mon Sep 17 00:00:00 2001
From: Pat Erley <perley@cyngn.com>
Date: Thu, 22 Oct 2015 18:04:35 -0700
Subject: Blank screen during shutdown and reboot

Some hardware doesn't like having the panel on and still
active during pwoer cycles, so just turn it off.

Change-Id: Ied1f0802f5a2d45980ee33abf2456a291ba64beb
---
 recovery.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'recovery.cpp')

diff --git a/recovery.cpp b/recovery.cpp
index b8a53df..3cd2764 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -1381,6 +1381,9 @@ main(int argc, char **argv) {
 
     sync();
 
+    write_file("/sys/class/leds/lcd-backlight/brightness", "0");
+    gr_fb_blank(true);
+
     switch (after) {
         case Device::SHUTDOWN:
             ui->Print("Shutting down...\n");
-- 
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