fdtbus_i2c_acquire
sc->sc_base.sc_ic = fdtbus_i2c_acquire(phandle, "ddc-i2c-bus");
sc->sc_base.sc_ic = fdtbus_i2c_acquire(phandle, "ddc-i2c-bus");
i2c_tag_t fdtbus_i2c_acquire(int, const char *);
hdmi_connector->ddc = fdtbus_i2c_acquire(phandle, "ddc-i2c-bus");
sc->sc_i2c_parent = fdtbus_i2c_acquire(phandle, "i2c-parent");