d767883a41
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22184 a1c6a512-1295-4272-9138-f99709370657
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Linus Nielsen Feltzing
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "kernel.h"
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#include "system.h"
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#include "backlight.h"
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#include "backlight-target.h"
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#include "lcd.h"
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/* Returns the current state of the backlight (true=ON, false=OFF). */
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bool _backlight_init(void)
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{
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or_l(0x00020000, &GPIO1_ENABLE);
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or_l(0x00020000, &GPIO1_FUNCTION);
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return (GPIO1_OUT & 0x00020000) ? false : true;
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}
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void _backlight_hw_on(void)
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{
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and_l(~0x00020000, &GPIO1_OUT);
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}
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void _backlight_hw_off(void)
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{
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or_l(0x00020000, &GPIO1_OUT);
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}
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void _remote_backlight_on(void)
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{
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and_l(~0x00000800, &GPIO_OUT);
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}
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void _remote_backlight_off(void)
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{
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or_l(0x00000800, &GPIO_OUT);
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}
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