From 7f543bb3b4fceb3655dba90172c0f39c87c5ecd4 Mon Sep 17 00:00:00 2001
From: baohongde <baohongde@espressif.com>
Date: Fri, 17 Sep 2021 17:11:35 +0800
Subject: [PATCH] Power Management: Initialize backup memory for MAC and
 Baseband power up/down

---
 components/bt/controller/esp32c3/bt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/bt/controller/esp32c3/bt.c b/components/bt/controller/esp32c3/bt.c
index fd99974073..02e9fdbf34 100644
--- a/components/bt/controller/esp32c3/bt.c
+++ b/components/bt/controller/esp32c3/bt.c
@@ -969,6 +969,9 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
     // overwrite some parameters
     cfg->magic = ESP_BT_CTRL_CONFIG_MAGIC_VAL;
 
+#if CONFIG_MAC_BB_PD
+    esp_mac_bb_pd_mem_init();
+#endif
     esp_bt_power_domain_on();
 
     sdk_config_extend_set_pll_track(false);