rockbox/firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c

71 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* 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 "backlight-target.h"
#include "system.h"
#include "lcd.h"
#include "backlight.h"
#include "as3525-codec.h"
#include "as3514.h"
static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
void _backlight_set_brightness(int brightness)
{
backlight_brightness = brightness;
if (brightness > 0)
_backlight_on();
else
_backlight_off();
}
void _backlight_on(void)
{
#ifdef HAVE_LCD_SLEEP
backlight_lcd_sleep_countdown(false); /* stop counter */
#endif
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
as3525_codec_write(AS3514_DCDC15, backlight_brightness);
}
void _backlight_off(void)
{
as3525_codec_write(AS3514_DCDC15, 0x0);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off visible display */
#endif
#ifdef HAVE_LCD_SLEEP
backlight_lcd_sleep_countdown(true); /* start countdown */
#endif
}
void _buttonlight_on(void)
{
/* TODO */
}
void _buttonlight_off(void)
{
/* TODO */
}