Function esp_idf_bindgen::rtc_clk_xtal_freq_update

pub unsafe extern "C" fn rtc_clk_xtal_freq_update(xtal_freq: rtc_xtal_freq_t)

@brief Update XTAL frequency

Updates the XTAL value stored in RTC_XTAL_FREQ_REG. Usually this value is ignored after startup.

@param xtal_freq New frequency value