From 7cb9a7bcc8359fb4da97386a7314256212c3d2f2 Mon Sep 17 00:00:00 2001
From: xue <2144439972@qq.com>
Date: Sat, 18 Apr 2026 17:45:23 +0800
Subject: [PATCH] =?utf8?q?=E4=BF=AE=E5=A4=8D=E8=A1=A8=E6=83=85=E5=BC=82?=
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---
 code/sdk/zhihui/utils/custom_utils.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/code/sdk/zhihui/utils/custom_utils.c b/code/sdk/zhihui/utils/custom_utils.c
index b2fe8f0dd..13a31b464 100644
--- a/code/sdk/zhihui/utils/custom_utils.c
+++ b/code/sdk/zhihui/utils/custom_utils.c
@@ -1491,14 +1491,7 @@ void ScreenAlwaysOnCtr(uint8_t turnOnFlag)
     if(turnOnFlag)
     {
         // display_api->set_screen_set_keepon_timeout(0);
-        
-        if (display_api->get_screen_state() != SCREEN_ON)
-        {
-            display_api->turn_on_screen();
-        }
-
-
-        //当设置的值是-1 的时候，设置屏幕常亮
+        //当设置的值是-1 的时候，设置屏幕常亮（不主动 turn_on_screen，仅应用策略）
         ret = display_api->set_screen_set_keepon_timeout(-1);
         printf("set_screen_set_keepon_timeout: %d\r\n",ret);
         if(ret == ERRCODE_SUCC) // 操作成功，设置屏幕常亮runtime值
@@ -4677,6 +4670,11 @@ void uapi_lcd_backlight_on(void)
 {
 
     uint8_t brightness = cm_getScreenBrightness();
+    
+    if(brightness < 0 )
+    {
+        brightness = 5;
+    }
 
     if(last_brightness != brightness)
     {
@@ -4684,6 +4682,7 @@ void uapi_lcd_backlight_on(void)
         if(backlight_status == 1)
         {
             backlight_ic_reset();
+            printf("backlight_ic_reset\r\n");
             backlight_status = 0;
         }
 
-- 
2.17.1