Merge branch 'fix/s31_touch_deep_sleep_v6.1' into 'release/v6.1'

fix(touch): enable touch deep sleep on esp32-s31 (v6.1)

See merge request espressif/esp-idf!49622

docs/en/api-reference/peripherals/cap_touch_sens.rst

@@ -446,12 +446,6 @@ Call :cpp:func:`touch_channel_read_data` to read the data with different types.
         // Register the deep sleep wake-up
         ESP_ERROR_CHECK(touch_sensor_config_sleep_wakeup(sens_handle, &deep_slp_cfg));
 
-    .. only:: esp32s31
-
-        .. note::
-
-            ESP32-S31 touch sensor wake-up from deep sleep may fail in some cases. Increasing ``meas_interval_us`` in :cpp:type:`touch_sensor_config_t` can help mitigate this issue.
-
 .. only:: SOC_TOUCH_SUPPORT_DENOISE_CHAN
 
     .. _touch-denoise-chan:

docs/zh_CN/api-reference/peripherals/cap_touch_sens.rst

@@ -446,12 +446,6 @@
         // 注册 Deep-sleep 唤醒功能
         ESP_ERROR_CHECK(touch_sensor_config_sleep_wakeup(sens_handle, &deep_slp_cfg));
 
-    .. only:: esp32s31
-
-        .. note::
-
-            ESP32-S31 触摸传感器从 Deep-sleep 唤醒在部分场景下可能失败。增大 :cpp:type:`touch_sensor_config_t` 中的 ``meas_interval_us`` 可缓解该问题。
-
 .. only:: SOC_TOUCH_SUPPORT_DENOISE_CHAN
 
     .. _touch-denoise-chan:

examples/peripherals/touch_sensor/touch_sens_sleep/README.md

@@ -93,7 +93,3 @@ Entering deep sleep in:
 ## Troubleshooting
 
 For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
-
-## Known issues
-
-The ESP32-S31 touch sensor may fail to wake the chip from deep sleep. Increasing `meas_interval_us` in `touch_sensor_config_t` can mitigate this issue.

examples/peripherals/touch_sensor/touch_sens_sleep/main/Kconfig.projbuild

@@ -10,7 +10,6 @@ menu "Example Configuration"
             bool "Light sleep wakeup"
         config EXAMPLE_TOUCH_DEEP_SLEEP_WAKEUP
             bool "Deep sleep wakeup"
-            depends on !IDF_TARGET_ESP32S31  # TODO: DIG-826
     endchoice
 
     config EXAMPLE_TOUCH_DEEP_SLEEP_PD