--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/ves1820.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/ves1820.h 2021-02-04 17:41:59.000000000 +0000 @@ -41,7 +41,7 @@ u8 selagc:1; }; -#if IS_ENABLED(CONFIG_DVB_VES1820) +#if IS_REACHABLE(CONFIG_DVB_VES1820) extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config, struct i2c_adapter* i2c, u8 pwm); #else