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f563dc1d19
LCD panels can usefully be modelled as their own uclass. They can be probed (which powers them up ready for use). If they have a backlight, this can be enabled. Signed-off-by: Simon Glass <sjg@chromium.org>
32 lines
674 B
C
32 lines
674 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 _PANEL_H
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#define _PANEL_H
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struct panel_ops {
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/**
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* enable_backlight() - Enable the panel backlight
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*
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* @dev: Panel device containing the backlight to enable
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* @return 0 if OK, -ve on error
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*/
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int (*enable_backlight)(struct udevice *dev);
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};
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#define panel_get_ops(dev) ((struct panel_ops *)(dev)->driver->ops)
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/**
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* panel_enable_backlight() - Enable the panel backlight
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*
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* @dev: Panel device containing the backlight to enable
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* @return 0 if OK, -ve on error
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*/
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int panel_enable_backlight(struct udevice *dev);
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#endif
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