--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/cx24110.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/cx24110.h 2021-02-04 17:41:59.000000000 +0000 @@ -46,7 +46,7 @@ return 0; } -#if IS_ENABLED(CONFIG_DVB_CX24110) +#if IS_REACHABLE(CONFIG_DVB_CX24110) extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, struct i2c_adapter* i2c); #else