backlight: hx8357: 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: Daniel Thompson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: krzk

drivers/video/backlight/hx8357.c

@@ -559,7 +559,7 @@ static int hx8357_get_power(struct lcd_device *lcdev)
 	return lcd->state;
 }
 
-static struct lcd_ops hx8357_ops = {
+static const struct lcd_ops hx8357_ops = {
 	.set_power	= hx8357_set_power,
 	.get_power	= hx8357_get_power,
 };