--- zzzz-none-000/linux-3.10.107/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h	2021-02-04 17:41:59.000000000 +0000
@@ -4,13 +4,11 @@
 #include <video/sh_mobile_lcdc.h>
 
 #if defined(CONFIG_FB_SH_MOBILE_LCDC) || defined(CONFIG_FB_SH_MOBILE_LCDC_MODULE)
-int kfr2r09_lcd_set_brightness(int brightness);
 int kfr2r09_lcd_setup(void *sys_ops_handle,
 		      struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 void kfr2r09_lcd_start(void *sys_ops_handle,
 		       struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 #else
-static int kfr2r09_lcd_set_brightness(int brightness) {}
 static int kfr2r09_lcd_setup(void *sys_ops_handle,
 				struct sh_mobile_lcdc_sys_bus_ops *sys_ops)
 {