| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2016 Google, Inc |
| * Written by Simon Glass <sjg@chromium.org> |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <backlight.h> |
| |
| int backlight_enable(struct udevice *dev) |
| { |
| const struct backlight_ops *ops = backlight_get_ops(dev); |
| |
| if (!ops->enable) |
| return -ENOSYS; |
| |
| return ops->enable(dev); |
| } |
| |
| int backlight_set_brightness(struct udevice *dev, int percent) |
| { |
| const struct backlight_ops *ops = backlight_get_ops(dev); |
| |
| if (!ops->set_brightness) |
| return -ENOSYS; |
| |
| return ops->set_brightness(dev, percent); |
| } |
| |
| UCLASS_DRIVER(backlight) = { |
| .id = UCLASS_PANEL_BACKLIGHT, |
| .name = "backlight", |
| }; |
