fbdev: imx: Constify lcd_ops

'struct lcd_ops' is not modified by core backlight code, so it can be
made const for increased code safety.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: krzk

drivers/video/fbdev/imxfb.c

@@ -857,7 +857,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
 	return 0;
 }
 
-static struct lcd_ops imxfb_lcd_ops = {
+static const struct lcd_ops imxfb_lcd_ops = {
 	.check_fb	= imxfb_lcd_check_fb,
 	.get_contrast	= imxfb_lcd_get_contrast,
 	.set_contrast	= imxfb_lcd_set_contrast,