From 97428f2ba27511a00a4bbdc45233ef6d7407a9e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20T=C3=B6lke?= <pt@philipptoelke.de>
Date: Fri, 22 Jan 2021 08:55:49 +0100
Subject: [PATCH] Make fade_to*, lighten, and darken const (#1450)

---
 esphome/components/light/addressable_light.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/esphome/components/light/addressable_light.h b/esphome/components/light/addressable_light.h
index a95d70f274..4e7ec4b931 100644
--- a/esphome/components/light/addressable_light.h
+++ b/esphome/components/light/addressable_light.h
@@ -149,10 +149,10 @@ struct ESPColor {
     return ESPColor(uint8_t((uint16_t(r) * 255U / max_rgb)), uint8_t((uint16_t(g) * 255U / max_rgb)),
                     uint8_t((uint16_t(b) * 255U / max_rgb)), w);
   }
-  ESPColor fade_to_white(uint8_t amnt) { return ESPColor(255, 255, 255, 255) - (*this * amnt); }
-  ESPColor fade_to_black(uint8_t amnt) { return *this * amnt; }
-  ESPColor lighten(uint8_t delta) { return *this + delta; }
-  ESPColor darken(uint8_t delta) { return *this - delta; }
+  ESPColor fade_to_white(uint8_t amnt) const { return ESPColor(255, 255, 255, 255) - (*this * amnt); }
+  ESPColor fade_to_black(uint8_t amnt) const { return *this * amnt; }
+  ESPColor lighten(uint8_t delta) const { return *this + delta; }
+  ESPColor darken(uint8_t delta) const { return *this - delta; }
 
   static const ESPColor BLACK;
   static const ESPColor WHITE;