From ed9db0fd73f0368be354a65d7bdc3de5d01bdc88 Mon Sep 17 00:00:00 2001
From: Dmitri Plotnikov <dplotnikov@google.com>
Date: Tue, 18 Apr 2017 08:28:26 -0700
Subject: Adding support for quiescent reboot to recovery

Bug: 37401320
Test: build and push OTA and hit adb reboot recovery,quiescent. The screen should remain off throughout the upgrade process.

(cherry picked from commit 8706a98aa635236a95795f0a0c122bb3e591a50d)

Change-Id: I79789a151f6faafda8ecc6198c2182cc2a91da70
---
 updater/install.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'updater/install.cpp')

diff --git a/updater/install.cpp b/updater/install.cpp
index f91f3fc9f..84cf5d6c0 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -890,7 +890,10 @@ Value* RebootNowFn(const char* name, State* state, const std::vector<std::unique
     return StringValue("");
   }
 
-  const std::string reboot_cmd = "reboot," + property;
+  std::string reboot_cmd = "reboot," + property;
+  if (android::base::GetBoolProperty("ro.boot.quiescent", false)) {
+    reboot_cmd += ",quiescent";
+  }
   android::base::SetProperty(ANDROID_RB_PROPERTY, reboot_cmd);
 
   sleep(5);
-- 
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