FC11_REG_VCOCAL
err = fc0011_writereg(priv, FC11_REG_VCOCAL, FC11_VCOCAL_RESET);
err = fc0011_writereg(priv, FC11_REG_VCOCAL, FC11_VCOCAL_RUN);
err = fc0011_writereg(priv, FC11_REG_VCOCAL, FC11_VCOCAL_RUN);
err = fc0011_readreg(priv, FC11_REG_VCOCAL, value);