Prevent wasteful writing to eeprom.

diff --git a/quantum/rgblight.c b/quantum/rgblight.c
index 23420ddd87dd50007bedbfc150ee1912d37eb356..cf2666eb4b65c3b0843726ec954ad3508d922e3b 100644 (file)
--- 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) {