P6
calib->par_p6 = data->bme680_cal_buf_1[P6];
var6 = ((s64)calib->P6 * (s64)t_fine) << 22;
calib->P6 = get_unaligned_le16(&data->bmp380_cal_buf[BMP380_P6]);
calib->P6 = le16_to_cpu(data->bmp280_cal_buf[P6]);
var2 = var1 * var1 * (s64)calib->P6;
s16 P6;
u16 P6;