diff options
Diffstat (limited to 'firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c')
-rw-r--r-- | firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c new file mode 100644 index 0000000000..fd2b65ad5b --- /dev/null +++ b/firmware/target/arm/as3525/sansa-e200v2/backlight-e200v2.c | |||
@@ -0,0 +1,71 @@ | |||
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 | |||
29 | static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING; | ||
30 | |||
31 | void _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 | |||
41 | void _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 | |||
52 | void _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 | |||
63 | void _buttonlight_on(void) | ||
64 | { | ||
65 | /* TODO */ | ||
66 | } | ||
67 | |||
68 | void _buttonlight_off(void) | ||
69 | { | ||
70 | /* TODO */ | ||
71 | } | ||