include/backlight.h

   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 #ifndef _BACKLIGHT_H
   9 #define _BACKLIGHT_H
  10
  11 struct backlight_ops {
  12         /**
  13          * enable() - Enable a backlight
  14          *
  15          * @dev:        Backlight device to enable
  16          * @return 0 if OK, -ve on error
  17          */
  18         int (*enable)(struct udevice *dev);
  19 };
  20
  21 #define backlight_get_ops(dev)  ((struct backlight_ops *)(dev)->driver->ops)
  22
  23 /**
  24  * backlight_enable() - Enable a backlight
  25  *
  26  * @dev:        Backlight device to enable
  27  * @return 0 if OK, -ve on error
  28  */
  29 int backlight_enable(struct udevice *dev);
  30
  31 #endif