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91d246a3ae
Change-Id: I3b3d1e961b31ac0d4e4bf4656da1ae063e3b5a72 Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
48 lines
936 B
C
48 lines
936 B
C
/*
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* Copyright (c) 2016 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _BACKLIGHT_H
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#define _BACKLIGHT_H
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struct backlight_ops {
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/**
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* enable() - Enable a backlight
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*
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* @dev: Backlight device to enable
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* @return 0 if OK, -ve on error
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*/
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int (*enable)(struct udevice *dev);
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/**
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* disable() - Disable a backlight
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*
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* @dev: Backlight device to disable
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* @return 0 if OK, -ve on error
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*/
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int (*disable)(struct udevice *dev);
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};
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#define backlight_get_ops(dev) ((struct backlight_ops *)(dev)->driver->ops)
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/**
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* backlight_enable() - Enable a backlight
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*
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* @dev: Backlight device to enable
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* @return 0 if OK, -ve on error
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*/
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int backlight_enable(struct udevice *dev);
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/**
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* backlight_disable() - Disable a backlight
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*
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* @dev: Backlight device to disable
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* @return 0 if OK, -ve on error
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*/
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int backlight_disable(struct udevice *dev);
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#endif
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