viafb: remove dead code

Remove a completly unused function.
Signed-off-by: NFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/via/via_utility.c

@@ -239,15 +239,3 @@ void viafb_get_gamma_support_state(int bpp, unsigned int *support_state)
 	else
 		*support_state = CRT_Device | DVI_Device | LCD_Device;
 }
-
-int viafb_input_parameter_converter(int parameter_value)
-{
-	int result;
-
-	if (parameter_value >= 1 && parameter_value <= 9)
-		result = 1 << (parameter_value - 1);
-	else
-		result = 1;
-
-	return result;
-}

drivers/video/via/via_utility.h

@@ -30,6 +30,5 @@ bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres);
 void viafb_set_gamma_table(int bpp, unsigned int *gamma_table);
 void viafb_get_gamma_table(unsigned int *gamma_table);
 void viafb_get_gamma_support_state(int bpp, unsigned int *support_state);
-int viafb_input_parameter_converter(int parameter_value);
 
 #endif /* __VIAUTILITY_H__ */