sgp40_data
static int sgp40_calc_voc(struct sgp40_data *data, u16 resistance_raw, int *voc)
static int sgp40_measure_resistance_raw(struct sgp40_data *data, u16 *resistance_raw)
struct sgp40_data *data = iio_priv(indio_dev);
struct sgp40_data *data = iio_priv(indio_dev);
struct sgp40_data *data;