mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 07:31:15 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (c) 2016 Google, Inc
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#ifndef _BACKLIGHT_H
|
|
#define _BACKLIGHT_H
|
|
|
|
struct udevice;
|
|
|
|
enum {
|
|
BACKLIGHT_MAX = 100,
|
|
BACKLIGHT_MIN = 0,
|
|
BACKLIGHT_OFF = -1,
|
|
BACKLIGHT_DEFAULT = -2,
|
|
};
|
|
|
|
struct backlight_ops {
|
|
/**
|
|
* enable() - Enable a backlight
|
|
*
|
|
* @dev: Backlight device to enable
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int (*enable)(struct udevice *dev);
|
|
|
|
/**
|
|
* set_brightness - Set brightness
|
|
*
|
|
* @dev: Backlight device to update
|
|
* @percent: Brightness value (0 to 100, or BACKLIGHT_... value)
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int (*set_brightness)(struct udevice *dev, int percent);
|
|
};
|
|
|
|
#define backlight_get_ops(dev) ((struct backlight_ops *)(dev)->driver->ops)
|
|
|
|
/**
|
|
* backlight_enable() - Enable a backlight
|
|
*
|
|
* @dev: Backlight device to enable
|
|
* Return: 0 if OK, -ve on error
|
|
*/
|
|
int backlight_enable(struct udevice *dev);
|
|
|
|
/**
|
|
* backlight_set_brightness - Set brightness
|
|
*
|
|
* @dev: Backlight device to update
|
|
* @percent: Brightness value (0 to 100, or BACKLIGHT_... value)
|
|
* Return: 0 if OK, -ve on error
|
|
*/
|
|
int backlight_set_brightness(struct udevice *dev, int percent);
|
|
|
|
#endif
|