diff --git a/components/driver/include/driver/gpio.h b/components/driver/include/driver/gpio.h index 3f382d493153..333f75ddbc82 100644 --- a/components/driver/include/driver/gpio.h +++ b/components/driver/include/driver/gpio.h @@ -95,9 +95,11 @@ esp_err_t gpio_set_intr_type(gpio_num_t gpio_num, gpio_int_type_t intr_type); /** * @brief Enable GPIO module interrupt signal * - * @note Please do not use the interrupt of GPIO36 and GPIO39 when using ADC. + * @note Please do not use the interrupt of GPIO36 and GPIO39 when using ADC or Wi-Fi with sleep mode enabled. * Please refer to the comments of `adc1_get_raw`. * Please refer to section 3.11 of 'ECO_and_Workarounds_for_Bugs_in_ESP32' for the description of this issue. + * As a workaround, call adc_power_acquire() in the app. This will result in higher power consumption (by ~1mA), + * but will remove the glitches on GPIO36 and GPIO39. * * @param gpio_num GPIO number. If you want to enable an interrupt on e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16); *