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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Linus Nielsen Feltzing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "backlight.h"
#include "backlight-target.h"
#include "pcf50606.h"
#include "lcd.h"
bool backlight_hw_init(void)
{
backlight_hw_on();
return true; /* Backlight always ON after boot. */
}
void backlight_hw_on(void)
{
int level = disable_irq_save();
pcf50606_write(0x39, 0x07);
restore_irq(level);
}
void backlight_hw_off(void)
{
int level = disable_irq_save();
pcf50606_write(0x39, 0x00);
restore_irq(level);
}
void remote_backlight_hw_on(void)
{
and_l(~0x00200000, &GPIO_OUT);
}
void remote_backlight_hw_off(void)
{
or_l(0x00200000, &GPIO_OUT);
}
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