From aaeecdf0e7dfa35b887940742be602f51e63fbe1 Mon Sep 17 00:00:00 2001
From: xiewenxiang <xiewenxiang@espressif.com>
Date: Tue, 28 Dec 2021 15:11:54 +0800
Subject: [PATCH] component/bt: Support set HW CCA threshold value

---
 components/bt/controller/esp32c3/Kconfig.in    | 7 +++++++
 components/bt/controller/lib_esp32c3_family    | 2 +-
 components/bt/include/esp32c3/include/esp_bt.h | 4 +++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/components/bt/controller/esp32c3/Kconfig.in b/components/bt/controller/esp32c3/Kconfig.in
index c30f80bc45..caa0d65328 100644
--- a/components/bt/controller/esp32c3/Kconfig.in
+++ b/components/bt/controller/esp32c3/Kconfig.in
@@ -66,6 +66,13 @@ config BT_CTRL_HW_CCA
     help
         It enables HW CCA feature in controller
 
+config BT_CTRL_HW_CCA_VAL
+    int "CCA threshold value"
+    range 20 60
+    default 20
+    help
+        It is the threshold value of HW CCA, if the value is 30, it means CCA threshold is -30 dBm.
+
 config BT_CTRL_HW_CCA_EFF
     int
     default 1 if BT_CTRL_HW_CCA
diff --git a/components/bt/controller/lib_esp32c3_family b/components/bt/controller/lib_esp32c3_family
index 07df01f3bf..a01066d872 160000
--- a/components/bt/controller/lib_esp32c3_family
+++ b/components/bt/controller/lib_esp32c3_family
@@ -1 +1 @@
-Subproject commit 07df01f3bfd650a257d5481e6b32f5ce9731735a
+Subproject commit a01066d87297c330196162fd84cdb108cfa9f67b
diff --git a/components/bt/include/esp32c3/include/esp_bt.h b/components/bt/include/esp32c3/include/esp_bt.h
index 45e5c3fa52..7a991d121e 100644
--- a/components/bt/include/esp32c3/include/esp_bt.h
+++ b/components/bt/include/esp32c3/include/esp_bt.h
@@ -26,7 +26,7 @@ extern "C" {
 #endif
 
 #define ESP_BT_CTRL_CONFIG_MAGIC_VAL    0x5A5AA5A5
-#define ESP_BT_CTRL_CONFIG_VERSION      0x02104270
+#define ESP_BT_CTRL_CONFIG_VERSION      0x02112280
 
 #define ESP_BT_HCI_TL_MAGIC_VALUE   0xfadebead
 #define ESP_BT_HCI_TL_VERSION       0x00010000
@@ -179,6 +179,7 @@ enum {
     .hw_target_code = BLE_HW_TARGET_CODE_ESP32C3_CHIP_ECO0,                \
     .slave_ce_len_min = SLAVE_CE_LEN_MIN_DEFAULT,                          \
     .hw_recorrect_en = AGC_RECORRECT_EN,                                   \
+    .cca_thresh = CONFIG_BT_CTRL_HW_CCA_VAL,                               \
 };
 
 #else
@@ -245,6 +246,7 @@ typedef struct {
     uint32_t hw_target_code;                /*!< hardware target */
     uint8_t slave_ce_len_min;
     uint8_t hw_recorrect_en;
+    uint8_t cca_thresh;                     /*!< cca threshold*/
 } esp_bt_controller_config_t;
 
 /**