0021-diag-support-status_led_breathing.patch

From 30c15d4e46f1f722a069cb51ed061241a5a03fb8 Mon Sep 17 00:00:00 2001
From: Jianhui Zhao <jianhui.zhao@gl-inet.com>
Date: Wed, 22 Jun 2022 10:10:07 +0800
Subject: [PATCH] diag: support status_led_breathing

Signed-off-by: Jianhui Zhao <jianhui.zhao@gl-inet.com>
---
 package/base-files/files/etc/diag.sh           | 2 +-
 package/base-files/files/lib/functions/leds.sh | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/package/base-files/files/etc/diag.sh b/package/base-files/files/etc/diag.sh
index 37a8ec758e..3934fd7f99 100644
--- a/package/base-files/files/etc/diag.sh
+++ b/package/base-files/files/etc/diag.sh
@@ -41,7 +41,7 @@ set_led_state() {
 			status_led_restore_trigger "boot"
 		[ -n "$running" ] && {
 			status_led="$running"
-			status_led_on
+			grep -q pattern "/sys/class/leds/$running/trigger" && status_led_breathing || status_led_on
 		}
 		;;
 	esac
diff --git a/package/base-files/files/lib/functions/leds.sh b/package/base-files/files/lib/functions/leds.sh
index a7532faa2f..0a27f617d2 100644
--- a/package/base-files/files/lib/functions/leds.sh
+++ b/package/base-files/files/lib/functions/leds.sh
@@ -43,6 +43,11 @@ led_off() {
 	led_set_attr $1 "brightness" 0
 }
 
+led_breathing() {
+	led_set_attr $1 "trigger" "pattern"
+	led_set_attr $1 "hw_pattern" "0 1000 255 3000"
+}
+
 status_led_restore_trigger() {
 	local trigger
 	local ledpath=$(get_dt_led_path $1)
@@ -92,3 +97,7 @@ status_led_blink_failsafe() {
 status_led_blink_preinit_regular() {
 	led_timer $status_led 200 200
 }
+
+status_led_breathing() {
+	led_breathing $status_led
+}
-- 
2.25.1