From eaa6ab4daba4c122fd420c8c0bf488c591063170 Mon Sep 17 00:00:00 2001
From: Li Shuai <lishuai@espressif.com>
Date: Wed, 20 Jan 2021 22:17:24 +0800
Subject: [PATCH] light sleep: add system light sleep example support

---
 examples/system/light_sleep/main/light_sleep_example_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/system/light_sleep/main/light_sleep_example_main.c b/examples/system/light_sleep/main/light_sleep_example_main.c
index d10c510aaf..28f39de5a5 100644
--- a/examples/system/light_sleep/main/light_sleep_example_main.c
+++ b/examples/system/light_sleep/main/light_sleep_example_main.c
@@ -18,6 +18,7 @@
 #include "esp_log.h"
 #include "driver/uart.h"
 #include "driver/gpio.h"
+#include "esp_timer.h"
 
 /* Most development boards have "boot" button attached to GPIO0.
  * You can also change this to another pin.