--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/mt312.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/mt312.h	2021-02-04 17:41:59.000000000 +0000
@@ -36,7 +36,7 @@
 	unsigned int voltage_inverted:1;
 };
 
-#if IS_ENABLED(CONFIG_DVB_MT312)
+#if IS_REACHABLE(CONFIG_DVB_MT312)
 struct dvb_frontend *mt312_attach(const struct mt312_config *config,
 					struct i2c_adapter *i2c);
 #else