From 1af4221908b52f6fc46e30445af8c87056b5f60b Mon Sep 17 00:00:00 2001
From: Nick <nick.win999@gmail.com>
Date: Mon, 2 Nov 2020 15:47:22 -0600
Subject: [PATCH] feat(underglow): Debounce state settings save

---
 app/src/rgb_underglow.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/src/rgb_underglow.c b/app/src/rgb_underglow.c
index b371c943..084482ea 100644
--- a/app/src/rgb_underglow.c
+++ b/app/src/rgb_underglow.c
@@ -227,6 +227,14 @@ static void zmk_rgb_underglow_tick_handler(struct k_timer *timer) {
 
 K_TIMER_DEFINE(underglow_tick, zmk_rgb_underglow_tick_handler, NULL);
 
+#if IS_ENABLED(CONFIG_SETTINGS)
+static void zmk_rgb_underglow_save_state_work() {
+    settings_save_one("rgb/underglow/state", &state, sizeof(state));
+}
+
+static struct k_delayed_work underglow_save_work;
+#endif
+
 static int zmk_rgb_underglow_init(struct device *_arg) {
     led_strip = device_get_binding(STRIP_LABEL);
     if (led_strip) {
@@ -248,6 +256,7 @@ static int zmk_rgb_underglow_init(struct device *_arg) {
 
 #if IS_ENABLED(CONFIG_SETTINGS)
     settings_register(&rgb_conf);
+    k_delayed_work_init(&underglow_save_work, zmk_rgb_underglow_save_state_work);
 #endif
 
     k_timer_start(&underglow_tick, K_NO_WAIT, K_MSEC(50));
@@ -257,7 +266,8 @@ static int zmk_rgb_underglow_init(struct device *_arg) {
 
 int zmk_rgb_underglow_save_state() {
 #if IS_ENABLED(CONFIG_SETTINGS)
-    return settings_save_one("rgb/underglow/state", &state, sizeof(state));
+    k_delayed_work_cancel(&underglow_save_work);
+    return k_delayed_work_submit(&underglow_save_work, K_MINUTES(1));
 #else
     return 0;
 #endif