--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/tua6100.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/tua6100.h	2021-02-04 17:41:59.000000000 +0000
@@ -34,7 +34,7 @@
 #include <linux/i2c.h>
 #include "dvb_frontend.h"
 
-#if IS_ENABLED(CONFIG_DVB_TUA6100)
+#if IS_REACHABLE(CONFIG_DVB_TUA6100)
 extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c);
 #else
 static inline struct dvb_frontend* tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)