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[i2c] Workaround for i2c on s2 (#8188)

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Jonathan Swoboda 2025-02-04 18:09:37 -05:00 committed by GitHub
parent 55203143df
commit 2e61229aed
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esphome/components/i2c/i2c_bus_esp_idf.cpp
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@ -39,6 +39,10 @@ void IDFI2CBus::setup() {
conf.scl_io_num = scl_pin_;
conf.scl_pullup_en = scl_pullup_enabled_;
conf.master.clk_speed = frequency_;
#ifdef USE_ESP32_VARIANT_ESP32S2
// workaround for https://github.com/esphome/issues/issues/6718
conf.clk_flags = I2C_SCLK_SRC_FLAG_AWARE_DFS;
#endif
esp_err_t err = i2c_param_config(port_, &conf);
if (err != ESP_OK) {
ESP_LOGW(TAG, "i2c_param_config failed: %s", esp_err_to_name(err));