ZL_REG_DPLL_MODE_REFSEL
rc = zl3073x_write_u8(zldpll->dev, ZL_REG_DPLL_MODE_REFSEL(zldpll->id),
rc = zl3073x_read_u8(zldev, ZL_REG_DPLL_MODE_REFSEL(zldpll->id),
rc = zl3073x_write_u8(zldev, ZL_REG_DPLL_MODE_REFSEL(zldpll->id),