Function esp_idf_sys::spicommon_cs_free

pub unsafe extern "C" fn spicommon_cs_free(
    host: spi_host_device_t, 
    cs_num: c_int
)

@brief Free a chip select line @deprecated Use spicommon_cs_io, which inputs the gpio num rather than the cs id instead.

@param host SPI peripheral @param cs_num CS id to free