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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Copyright (c) 2016 Google, Inc
      4  * Written by Simon Glass <sjg (at) 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
     31