blob: 0d6440b7f3d816c7f5e72d33097af650f1ac4ea4 [file] [log] [blame]
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Thomas Martitz
*
* 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 "backlight.h"
#include "lcd.h"
#ifdef HAVE_LCD_SLEEP
extern void lcd_awake(void);
#endif
/* in uisimulator/sdl/lcd-bitmap.c and lcd-charcell.c */
extern void sim_backlight(int value);
bool backlight_hw_init(void)
{
return true;
}
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
static inline int normalize_backlight(int val)
{
/* normalize to xx% brightness for sdl */
return ((val - MIN_BRIGHTNESS_SETTING + 1) * 100) /
(MAX_BRIGHTNESS_SETTING - MIN_BRIGHTNESS_SETTING + 1);
}
void backlight_hw_brightness(int val)
{
sim_backlight(normalize_backlight(val));
}
#endif /* HAVE_BACKLIGHT_BRIGHTNESS */
void backlight_hw_on(void)
{
#if defined(HAVE_LCD_ENABLE)
lcd_enable(true);
#elif defined(HAVE_LCD_SLEEP)
lcd_awake();
#endif
#if (CONFIG_BACKLIGHT_FADING != BACKLIGHT_FADING_SW_SETTING)
/* if we set the brightness to the settings value, then fading up
* is glitchy */
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
sim_backlight(normalize_backlight(backlight_brightness));
#else
sim_backlight(100);
#endif
#endif
}
void backlight_hw_off(void)
{
sim_backlight(0);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false);
#endif
}
#ifdef HAVE_BUTTON_LIGHT
void buttonlight_hw_on(void)
{
}
void buttonlight_hw_off(void)
{
}
#ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
void buttonlight_hw_brightness(int val)
{
(void)val;
}
#endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */
#endif /* HAVE_BUTTON_LIGHT */
#ifdef HAVE_REMOTE_LCD
void remote_backlight_hw_on(void)
{
sim_remote_backlight(100);
}
void remote_backlight_hw_off(void)
{
sim_remote_backlight(0);
}
#endif /* HAVE_REMOTE_LCD */