fix(ble): use default frequency for ble power save example

(cherry picked from commit 35c51b8387)

Co-authored-by: cjin <jinchen@espressif.com>

examples/bluetooth/nimble/power_save/main/Kconfig.projbuild

@@ -1,97 +1,5 @@
 menu "Example Configuration"
 
-    choice EXAMPLE_MAX_CPU_FREQ
-        prompt "Maximum CPU frequency"
-        default EXAMPLE_MAX_CPU_FREQ_160 if !IDF_TARGET_ESP32H2 && !IDF_TARGET_ESP32C2 && \
-            !IDF_TARGET_ESP32C5 && !IDF_TARGET_ESP32H4 && !IDF_TARGET_ESP32S31
-        default EXAMPLE_MAX_CPU_FREQ_96 if IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32H4
-        default EXAMPLE_MAX_CPU_FREQ_120 if IDF_TARGET_ESP32C2
-        default EXAMPLE_MAX_CPU_FREQ_240 if IDF_TARGET_ESP32C5
-        default EXAMPLE_MAX_CPU_FREQ_320 if IDF_TARGET_ESP32S31
-        depends on PM_ENABLE
-        help
-            Maximum CPU frequency to use for dynamic frequency scaling.
-
-        config EXAMPLE_MAX_CPU_FREQ_80
-            bool "80 MHz"
-        config EXAMPLE_MAX_CPU_FREQ_96
-            bool "96 MHz"
-            depends on IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32H4
-        config EXAMPLE_MAX_CPU_FREQ_160
-            bool "160 MHz"
-        config EXAMPLE_MAX_CPU_FREQ_120
-            bool "120 MHz"
-            depends on IDF_TARGET_ESP32C2
-        config EXAMPLE_MAX_CPU_FREQ_240
-            bool "240 MHz"
-            depends on IDF_TARGET_ESP32 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C5
-        config EXAMPLE_MAX_CPU_FREQ_320
-            bool "320 MHz"
-            depends on IDF_TARGET_ESP32S31
-    endchoice
-
-    config EXAMPLE_MAX_CPU_FREQ_MHZ
-        int
-        default 80 if EXAMPLE_MAX_CPU_FREQ_80
-        default 96 if EXAMPLE_MAX_CPU_FREQ_96
-        default 120 if EXAMPLE_MAX_CPU_FREQ_120
-        default 160 if EXAMPLE_MAX_CPU_FREQ_160
-        default 240 if EXAMPLE_MAX_CPU_FREQ_240
-        default 320 if EXAMPLE_MAX_CPU_FREQ_320
-
-    choice EXAMPLE_MIN_CPU_FREQ
-        prompt "Minimum CPU frequency"
-        default EXAMPLE_MIN_CPU_FREQ_40M if !IDF_TARGET_ESP32H2 && !IDF_TARGET_ESP32C2 && \
-            !IDF_TARGET_ESP32C5 && !IDF_TARGET_ESP32H4
-        default EXAMPLE_MIN_CPU_FREQ_48M if IDF_TARGET_ESP32C5
-        default EXAMPLE_MIN_CPU_FREQ_32M if IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32H4
-        default EXAMPLE_MIN_CPU_FREQ_26M if IDF_TARGET_ESP32C2
-        depends on PM_ENABLE
-        help
-            Minimum CPU frequency to use for dynamic frequency scaling.
-            Should be set to XTAL frequency or XTAL frequency divided by integer.
-
-        config EXAMPLE_MIN_CPU_FREQ_80M
-            bool "80 MHz"
-            depends on !(IDF_TARGET_ESP32 && EXAMPLE_MAX_CPU_FREQ_240)
-            help
-                ESP32 does not support switching between 240M and 80M.The root cause
-                is that when switching between 240M and 80M, we need to disable
-                BBPLL and then re-enable it with a different frequency.Since the
-                Bluetooth baseband works from PLL frequency, it will temporarily
-                lose its 80 MHz clock, while the BBPLL is disabled.
-        config EXAMPLE_MIN_CPU_FREQ_48M
-            bool "48 MHz (use with 48MHz XTAL)"
-            depends on XTAL_FREQ_48 || XTAL_FREQ_AUTO
-        config EXAMPLE_MIN_CPU_FREQ_40M
-            bool "40 MHz (use with 40MHz XTAL)"
-            depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO
-        config EXAMPLE_MIN_CPU_FREQ_32M
-            bool "32 MHz (use with 32MHz XTAL)"
-            depends on IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32H4
-            depends on XTAL_FREQ_32 || XTAL_FREQ_AUTO
-        config EXAMPLE_MIN_CPU_FREQ_26M
-            bool "26 MHz (use with 26MHz XTAL)"
-            depends on IDF_TARGET_ESP32C2
-            depends on XTAL_FREQ_26 || XTAL_FREQ_AUTO
-        config EXAMPLE_MIN_CPU_FREQ_20M
-            bool "20 MHz (use with 40MHz XTAL)"
-            depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO
-        config EXAMPLE_MIN_CPU_FREQ_10M
-            bool "10 MHz (use with 40MHz XTAL)"
-            depends on XTAL_FREQ_40 || XTAL_FREQ_AUTO
-    endchoice
-
-    config EXAMPLE_MIN_CPU_FREQ_MHZ
-        int
-        default 80 if EXAMPLE_MIN_CPU_FREQ_80M
-        default 48 if EXAMPLE_MIN_CPU_FREQ_48M
-        default 40 if EXAMPLE_MIN_CPU_FREQ_40M
-        default 32 if EXAMPLE_MIN_CPU_FREQ_32M
-        default 26 if EXAMPLE_MIN_CPU_FREQ_26M
-        default 20 if EXAMPLE_MIN_CPU_FREQ_20M
-        default 10 if EXAMPLE_MIN_CPU_FREQ_10M
-
     choice EXAMPLE_USE_IO_TYPE
         prompt "I/O Capability"
         default BLE_SM_IO_CAP_NO_IO

examples/bluetooth/nimble/power_save/main/main.c

@@ -573,8 +573,8 @@ app_main(void)
     // maximum and minimum frequencies are set in sdkconfig,
     // automatic light sleep is enabled if tickless idle support is enabled.
     esp_pm_config_t pm_config = {
-            .max_freq_mhz = CONFIG_EXAMPLE_MAX_CPU_FREQ_MHZ,
+            .max_freq_mhz = CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ,
-            .min_freq_mhz = CONFIG_EXAMPLE_MIN_CPU_FREQ_MHZ,
+            .min_freq_mhz = CONFIG_XTAL_FREQ,
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
             .light_sleep_enable = true
 #endif