From 12a2572295ae4daa69299941c0fa491bd6e04669 Mon Sep 17 00:00:00 2001
From: mtei <2170248+mtei@users.noreply.github.com>
Date: Tue, 29 Jan 2019 03:23:46 +0900
Subject: [PATCH] Prevent wasteful writing to eeprom.

---
 quantum/rgblight.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/quantum/rgblight.c b/quantum/rgblight.c
index 23420ddd87d..cf2666eb4b6 100644
--- a/quantum/rgblight.c
+++ b/quantum/rgblight.c
@@ -128,7 +128,9 @@ uint32_t eeconfig_read_rgblight(void) {
 }
 void eeconfig_update_rgblight(uint32_t val) {
   #ifdef __AVR__
+  if (eeconfig_read_rgblight() != val) {
     eeprom_update_dword(EECONFIG_RGBLIGHT, val);
+  }
   #endif
 }
 void eeconfig_update_rgblight_default(void) {