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83d290c5 1/* SPDX-License-Identifier: GPL-2.0+ */
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2/*
3 * Copyright (c) 2016 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
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5 */
6
7#ifndef _PANEL_H
8#define _PANEL_H
9
10struct panel_ops {
11 /**
12 * enable_backlight() - Enable the panel backlight
13 *
14 * @dev: Panel device containing the backlight to enable
15 * @return 0 if OK, -ve on error
16 */
17 int (*enable_backlight)(struct udevice *dev);
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18
19 /**
20 * set_backlight - Set panel backlight brightness
21 *
22 * @dev: Panel device containing the backlight to update
23 * @percent: Brightness value (0 to 100, or BACKLIGHT_... value)
24 * @return 0 if OK, -ve on error
25 */
26 int (*set_backlight)(struct udevice *dev, int percent);
27
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28 /**
29 * get_timings() - Get display timings from panel.
30 *
31 * @dev: Panel device containing the display timings
32 * @tim: Place to put timings
33 * @return 0 if OK, -ve on error
34 */
35 int (*get_display_timing)(struct udevice *dev,
36 struct display_timing *timing);
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37};
38
39#define panel_get_ops(dev) ((struct panel_ops *)(dev)->driver->ops)
40
41/**
a4f737a9 42 * panel_enable_backlight() - Enable/disable the panel backlight
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43 *
44 * @dev: Panel device containing the backlight to enable
a4f737a9 45 * @enable: true to enable the backlight, false to dis
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46 * @return 0 if OK, -ve on error
47 */
48int panel_enable_backlight(struct udevice *dev);
49
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50/**
51 * panel_set_backlight - Set brightness for the panel backlight
52 *
53 * @dev: Panel device containing the backlight to update
54 * @percent: Brightness value (0 to 100, or BACKLIGHT_... value)
55 * @return 0 if OK, -ve on error
56 */
57int panel_set_backlight(struct udevice *dev, int percent);
58
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59/**
60 * panel_get_display_timing() - Get display timings from panel.
61 *
62 * @dev: Panel device containing the display timings
63 * @return 0 if OK, -ve on error
64 */
65int panel_get_display_timing(struct udevice *dev,
66 struct display_timing *timing);
67
f563dc1d 68#endif