BH1770_CALIB_SCALER
#define BH1770_LUX_NEUTRAL_CALIB_VALUE (1 * BH1770_CALIB_SCALER)
tmp = (tmp * chip->lux_calib) / BH1770_CALIB_SCALER;
return sprintf(buf, "%u\n", BH1770_CALIB_SCALER);