include/backlight.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 2016 Google, Inc
   4  * Written by Simon Glass <sjg@chromium.org>
   5  */
   6
   7 #ifndef _BACKLIGHT_H
   8 #define _BACKLIGHT_H
   9
  10 struct backlight_ops {
  11         /**
  12          * enable() - Enable a backlight
  13          *
  14          * @dev:        Backlight device to enable
  15          * @return 0 if OK, -ve on error
  16          */
  17         int (*enable)(struct udevice *dev);
  18 };
  19
  20 #define backlight_get_ops(dev)  ((struct backlight_ops *)(dev)->driver->ops)
  21
  22 /**
  23  * backlight_enable() - Enable a backlight
  24  *
  25  * @dev:        Backlight device to enable
  26  * @return 0 if OK, -ve on error
  27  */
  28 int backlight_enable(struct udevice *dev);
  29
  30 #endif