syr827_read
syr827_read(sc->base_dev, sc->volt_reg, &val, 1);
syr827_read(sc->base_dev, sc->volt_reg, &val, 1);
syr827_read(sc->base_dev, sc->volt_reg, &val, 1);
syr827_read(dev, ID1, &val, 1);
syr827_read(dev, ID2, &val, 1);