From 7f6d646e0aa78bd796c6a106b77951b4be61935a Mon Sep 17 00:00:00 2001
From: xiliuya <xiliuya@163.com>
Date: Sat, 19 Nov 2022 14:52:31 +0800
Subject: [PATCH] keyboard: only update LEDs when changed

---
 include/wlr/types/wlr_keyboard.h | 1 +
 types/wlr_keyboard.c             | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/wlr/types/wlr_keyboard.h b/include/wlr/types/wlr_keyboard.h
index d53d3c30..b1e01c4d 100644
--- a/include/wlr/types/wlr_keyboard.h
+++ b/include/wlr/types/wlr_keyboard.h
@@ -62,6 +62,7 @@ struct wlr_keyboard {
 	xkb_led_index_t led_indexes[WLR_LED_COUNT];
 	xkb_mod_index_t mod_indexes[WLR_MODIFIER_COUNT];
 
+	uint32_t leds;
 	uint32_t keycodes[WLR_KEYBOARD_KEYS_CAP];
 	size_t num_keycodes;
 	struct wlr_keyboard_modifiers modifiers;
diff --git a/types/wlr_keyboard.c b/types/wlr_keyboard.c
index 5150af87..b1084841 100644
--- a/types/wlr_keyboard.c
+++ b/types/wlr_keyboard.c
@@ -163,6 +163,12 @@ void wlr_keyboard_finish(struct wlr_keyboard *kb) {
 }
 
 void wlr_keyboard_led_update(struct wlr_keyboard *kb, uint32_t leds) {
+	if (kb->leds == leds) {
+		return;
+	}
+
+	kb->leds = leds;
+
 	if (kb->impl && kb->impl->led_update) {
 		kb->impl->led_update(kb, leds);
 	}