'struct lcd_ops' passed in lcd_device_register() is not modified by core
backlight code, so it can be made const for code safety.  This allows
drivers to also define the structure as const.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240424-video-backlight-lcd-ops-v2-1-1aaa82b07bc6@kernel.orgSigned-off-by: Lee Jones <lee@kernel.org>