drivers/video/backlight-uclass.c

   1 /*
   2  * Copyright (c) 2016 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <backlight.h>
  11
  12 int backlight_enable(struct udevice *dev)
  13 {
  14         const struct backlight_ops *ops = backlight_get_ops(dev);
  15
  16         if (!ops->enable)
  17                 return -ENOSYS;
  18
  19         return ops->enable(dev);
  20 }
  21
  22 UCLASS_DRIVER(backlight) = {
  23         .id             = UCLASS_PANEL_BACKLIGHT,
  24         .name           = "backlight",
  25 };