--- zzzz-none-000/linux-3.10.107/drivers/media/firewire/firedtv.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/firewire/firedtv.h	2021-02-04 17:41:59.000000000 +0000
@@ -96,11 +96,11 @@
 
 	enum model_type		type;
 	char			subunit;
-	char			isochannel;
+	s8			isochannel;
 	struct fdtv_ir_context	*ir_context;
 
-	fe_sec_voltage_t	voltage;
-	fe_sec_tone_mode_t	tone;
+	enum fe_sec_voltage	voltage;
+	enum fe_sec_tone_mode	tone;
 
 	struct mutex		demux_mutex;
 	unsigned long		channel_active;