* @param cfg optional callback function pointers.
* @return FE pointer on success, NULL on failure.
*/
-#if IS_ENABLED(CONFIG_MEDIA_TUNER_TDA827X)
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA827X)
extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
struct i2c_adapter *i2c,
struct tda827x_config *cfg);