--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/si21xx.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/si21xx.h	2021-02-04 17:41:59.000000000 +0000
@@ -13,7 +13,7 @@
 	int min_delay_ms;
 };
 
-#if IS_ENABLED(CONFIG_DVB_SI21XX)
+#if IS_REACHABLE(CONFIG_DVB_SI21XX)
 extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
 						struct i2c_adapter *i2c);
 #else