a5ad3f8a72
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28591 a1c6a512-1295-4272-9138-f99709370657
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2009 by Dave Chapman
|
|
*
|
|
* 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 <stdbool.h>
|
|
|
|
#include "config.h"
|
|
#include "kernel.h"
|
|
#include "backlight.h"
|
|
#include "backlight-target.h"
|
|
#include "pmu-target.h"
|
|
|
|
#ifdef HAVE_LCD_SLEEP
|
|
void lcd_awake(void);
|
|
void lcd_update(void);
|
|
#endif
|
|
|
|
void _backlight_set_brightness(int brightness)
|
|
{
|
|
pmu_write(0x28, brightness);
|
|
}
|
|
|
|
void _backlight_on(void)
|
|
{
|
|
if(pmu_read(0x29) == 1) return;
|
|
#ifdef HAVE_LCD_SLEEP
|
|
lcd_awake();
|
|
lcd_update();
|
|
sleep(HZ/10);
|
|
#endif
|
|
pmu_write(0x29, 1);
|
|
}
|
|
|
|
void _backlight_off(void)
|
|
{
|
|
pmu_write(0x29, 0);
|
|
}
|
|
|
|
bool _backlight_init(void)
|
|
{
|
|
pmu_write(0x2a, 6);
|
|
pmu_write(0x28, 0x2e);
|
|
pmu_write(0x2b, 20);
|
|
|
|
_backlight_on();
|
|
|
|
return true;
|
|
}
|