forked from len0rd/rockbox
545506c923
Currently, only the development bootloader can be built successfully. This is a part of the large iPod Nano 3G and iPod Nano 4G support patch. Credit: Cástor Muñoz <cmvidal@gmail.com> Change-Id: I74ea0da999ddb1d8ce5d0f5434141b3f0b5f7448
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id: backlight-nano2g.c 28601 2010-11-14 20:39:18Z theseven $
|
|
*
|
|
* 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
|
|
#include "lcd.h"
|
|
#include "lcd-s5l8702.h"
|
|
#endif
|
|
|
|
|
|
void backlight_hw_brightness(int brightness)
|
|
{
|
|
pmu_write(D1759_REG_LEDOUT, brightness << 2);
|
|
}
|
|
|
|
void backlight_hw_on(void)
|
|
{
|
|
#ifdef HAVE_LCD_SLEEP
|
|
if (!lcd_active())
|
|
lcd_awake();
|
|
#endif
|
|
pmu_write(D1759_REG_LEDCTL,
|
|
(pmu_read(D1759_REG_LEDCTL) | D1759_LEDCTL_ENABLE));
|
|
}
|
|
|
|
void backlight_hw_off(void)
|
|
{
|
|
pmu_write(D1759_REG_LEDCTL,
|
|
(pmu_read(D1759_REG_LEDCTL) & ~D1759_LEDCTL_ENABLE));
|
|
}
|
|
|
|
bool backlight_hw_init(void)
|
|
{
|
|
backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING);
|
|
backlight_hw_on();
|
|
return true;
|
|
}
|
|
|
|
/* Kill the backlight, instantly. */
|
|
void backlight_hw_kill(void)
|
|
{
|
|
backlight_hw_off();
|
|
}
|