-int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
- u32 freq, int bandwidth);
+extern int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
+ u32 freq, int bandwidth);
+
+/**
+ * Attach a dvb-pll to the supplied frontend structure.
+ *
+ * @param fe Frontend to attach to.
+ * @param pll_addr i2c address of the PLL (if used).
+ * @param i2c i2c adapter to use (set to NULL if not used).
+ * @param desc dvb_pll_desc to use.
+ * @return Frontend pointer on success, NULL on failure
+ */
+extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
+ int pll_addr,
+ struct i2c_adapter *i2c,
+ struct dvb_pll_desc *desc);