fix: clear modem RF flag before PMU sleep to prevent open rf failed on next wake-up

components/esp_phy/include/esp_private/phy.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -14,6 +14,7 @@ extern "C" {
 #endif
 
 #define ESP_CAL_DATA_CHECK_FAIL 1
+#define ESP_MODEM_RF_FLAG_UPDATE_CB_REQUIRED (SOC_PM_MODEM_RF_FLAG_UPDATE_WORKAROUND || CONFIG_ESP_WIFI_MODEM_RF_FLAG_UPDATE_DEBUG)
 
 typedef struct {
     uint8_t cmd_type;   /* the command type of the current phy i2c master command memory config */
@@ -243,6 +244,16 @@ uint32_t phy_ana_i2c_master_burst_rf_onoff(bool on);
 void phy_wakeup_from_modem_state_extra_init(void);
 #endif
 
+#if SOC_PM_SUPPORT_PMU_MODEM_STATE && CONFIG_ESP_WIFI_ENHANCED_LIGHT_SLEEP && ESP_MODEM_RF_FLAG_UPDATE_CB_REQUIRED
+/**
+ * @brief Update modem RF flag
+ *
+ * This function is called as a callback during MAC/BB power down operations.
+ * It checks if modem RF is already enabled and clears the RF power state accordingly.
+ */
+void esp_phy_modem_rf_flag_update(void);
+#endif
+
 #if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_MAC_BB_PD
 /**
  * @brief PHY module sleep data (includes AGC, TX, NRX, BB, FE, etc..) initialize.