From a8f562d8c343dbef1b2f9c9a3c86d3a7cf1a990c Mon Sep 17 00:00:00 2001
From: Willem Melching <willem.melching@gmail.com>
Date: Mon, 15 Mar 2021 20:07:49 +0100
Subject: [PATCH] Improve screen brightness by also using camera gain (#20357)

old-commit-hash: 8e14e17020d5cd55ab6f6f6178769ccb86c5bf80
---
 selfdrive/ui/ui.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index daa721b9c..a750f3588 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -237,7 +237,9 @@ static void update_sockets(UIState *s) {
   }
 #ifdef QCOM2
   if (sm.updated("roadCameraState")) {
-    scene.light_sensor = std::clamp<float>(1023.0 - sm["roadCameraState"].getRoadCameraState().getIntegLines(), 0.0, 1023.0);
+    auto camera_state = sm["roadCameraState"].getRoadCameraState();
+    float gain = camera_state.getGainFrac() * (camera_state.getGlobalGain() > 100 ? 2.5 : 1.0) / 10.0;
+    scene.light_sensor = std::clamp<float>((1023.0 / 1757.0) * (1757.0 - camera_state.getIntegLines()) * (1.0 - gain), 0.0, 1023.0);
   }
 #endif
   scene.started = scene.deviceState.getStarted() || scene.driver_view;