--- zzzz-none-000/linux-3.10.107/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c	2021-02-04 17:41:59.000000000 +0000
@@ -276,51 +276,3 @@
 {
 	write_memory_start(sohandle, so);
 }
-
-#define CTRL_CKSW       0x10
-#define CTRL_C10        0x20
-#define CTRL_CPSW       0x80
-#define MAIN_MLED4      0x40
-#define MAIN_MSW        0x80
-
-int kfr2r09_lcd_set_brightness(int brightness)
-{
-	struct i2c_adapter *a;
-	struct i2c_msg msg;
-	unsigned char buf[2];
-	int ret;
-
-	a = i2c_get_adapter(0);
-	if (!a)
-		return -ENODEV;
-
-	buf[0] = 0x00;
-	if (brightness)
-		buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW;
-	else
-		buf[1] = 0;
-
-	msg.addr = 0x75;
-	msg.buf = buf;
-	msg.len = 2;
-	msg.flags = 0;
-	ret = i2c_transfer(a, &msg, 1);
-	if (ret != 1)
-		return -ENODEV;
-
-	buf[0] = 0x01;
-	if (brightness)
-		buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c;
-	else
-		buf[1] = 0;
-
-	msg.addr = 0x75;
-	msg.buf = buf;
-	msg.len = 2;
-	msg.flags = 0;
-	ret = i2c_transfer(a, &msg, 1);
-	if (ret != 1)
-		return -ENODEV;
-
-	return 0;
-}