commit ed9db0fd73f0368be354a65d7bdc3de5d01bdc88
author Dmitri Plotnikov <dplotnikov@google.com> Tue Apr 18 08:28:26 2017 -0700
committer Dmitri Plotnikov <dplotnikov@google.com> Thu Apr 27 16:31:11 2017 -0700
tree a383c952eea5b1f7c0feb71fd0bb2bb076f9c128
parent b4c0de6c7bcd738e40dc4921d01b534d928e4f4f

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

diff --git a/updater/install.cpp b/updater/install.cpp
index f91f3fc..84cf5d6 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -890,7 +890,10 @@
     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);