From c53ab581d013dda28ba43d3cdc60124cc2c3e013 Mon Sep 17 00:00:00 2001
From: chenjintao <ascensus@foxmail.com>
Date: Tue, 13 Oct 2026 16:10:00 +0800
Subject: [PATCH] fix: queue sleep prompt before entering sleep mode

---
 ql-application/threadx/interface/custom_app/sleep_wake.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ql-application/threadx/interface/custom_app/sleep_wake.c b/ql-application/threadx/interface/custom_app/sleep_wake.c
index 0ef87cb..358af80 100644
--- a/ql-application/threadx/interface/custom_app/sleep_wake.c
+++ b/ql-application/threadx/interface/custom_app/sleep_wake.c
@@ -102,9 +102,13 @@ void enter_sleep_mode(void)
     if (g_in_sleep_mode) return;
     
     printf("enter_sleep_mode\r\n");
+    /* 先排入休眠提示音，再设置交互休眠标志；提示音入口会拦截休眠状态。
+     * 播放线程会唤醒音频芯片，播放结束后由原有空闲计时进入低功耗。 */
+    int prompt_ret = app_play_tips_file(12);
     g_in_sleep_mode = 1;
-    
-	app_play_tips_file(12);
+    if (prompt_ret != 0) {
+        printf("sleep prompt queue failed:ret=%d\r\n", prompt_ret);
+    }
 }
 
 /**