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Diffstat (limited to 'firmware/target/arm/as3525/sansa-fuze/backlight-fuze.c')
-rw-r--r--firmware/target/arm/as3525/sansa-fuze/backlight-fuze.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-fuze/backlight-fuze.c b/firmware/target/arm/as3525/sansa-fuze/backlight-fuze.c
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index 0000000000..735b85667d
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+++ b/firmware/target/arm/as3525/sansa-fuze/backlight-fuze.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2006 by Barry Wardell
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#include "config.h"
22#include "backlight-target.h"
23#include "system.h"
24#include "lcd.h"
25#include "backlight.h"
26#include "as3525-codec.h"
27#include "as3514.h"
28
29static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
30
31void _backlight_set_brightness(int brightness)
32{
33 backlight_brightness = brightness;
34
35 if (brightness > 0)
36 _backlight_on();
37 else
38 _backlight_off();
39}
40
41void _backlight_on(void)
42{
43#ifdef HAVE_LCD_SLEEP
44 backlight_lcd_sleep_countdown(false); /* stop counter */
45#endif
46#ifdef HAVE_LCD_ENABLE
47 lcd_enable(true); /* power on lcd + visible display */
48#endif
49 as3525_codec_write(AS3514_DCDC15, backlight_brightness);
50}
51
52void _backlight_off(void)
53{
54 as3525_codec_write(AS3514_DCDC15, 0x0);
55#ifdef HAVE_LCD_ENABLE
56 lcd_enable(false); /* power off visible display */
57#endif
58#ifdef HAVE_LCD_SLEEP
59 backlight_lcd_sleep_countdown(true); /* start countdown */
60#endif
61}
62
63void _buttonlight_on(void)
64{
65 GPIOD_PIN(7) = (1<<7);
66 GPIOD_DIR |= (1<<7);
67}
68
69void _buttonlight_off(void)
70{
71 GPIOD_PIN(7) = 0;
72 GPIOD_DIR |= (1<<7);
73}