From ea76ce6cd55e3f218a580d13134823378c0db75c Mon Sep 17 00:00:00 2001
From: pablohc <pablonoviello@outlook.com>
Date: Tue, 3 Feb 2026 18:02:24 +0100
Subject: [PATCH] Apply negative filter to Sleep Mode: None

---
 src/activities/boot_sleep/SleepActivity.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/activities/boot_sleep/SleepActivity.cpp b/src/activities/boot_sleep/SleepActivity.cpp
index d3bd826b..8cad8e32 100644
--- a/src/activities/boot_sleep/SleepActivity.cpp
+++ b/src/activities/boot_sleep/SleepActivity.cpp
@@ -281,5 +281,9 @@ void SleepActivity::renderCoverSleepScreen() const {
 
 void SleepActivity::renderBlankSleepScreen() const {
   renderer.clearScreen();
+  // Make blank screen negative
+  if (SETTINGS.sleepScreenFilter == CrossPointSettings::SLEEP_SCREEN_FILTER::NEGATIVE) {
+    renderer.invertScreen();
+  }
   renderer.displayBuffer(EInkDisplay::HALF_REFRESH);
 }