diff options
author | Amaury Pouly <pamaury@rockbox.org> | 2011-05-01 13:02:46 +0000 |
---|---|---|
committer | Amaury Pouly <pamaury@rockbox.org> | 2011-05-01 13:02:46 +0000 |
commit | 08fb3f65745a237e2c1eae55d856ff27702246e5 (patch) | |
tree | a56ce11ac20e4df0e36de9195306c10b71752538 /firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c | |
parent | c0838cbfd8e45621fe3450aee1bf9458ff420d16 (diff) | |
download | rockbox-08fb3f65745a237e2c1eae55d856ff27702246e5.tar.gz rockbox-08fb3f65745a237e2c1eae55d856ff27702246e5.zip |
Sansa Fuze+: initial commit (bootloader only, LCD basically working)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29808 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c')
-rw-r--r-- | firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c new file mode 100644 index 0000000000..0638e30aeb --- /dev/null +++ b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c | |||
@@ -0,0 +1,66 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2011 by Amaury Pouly | ||
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 | |||
22 | #include "config.h" | ||
23 | #include "system.h" | ||
24 | #include "lcd.h" | ||
25 | #include "backlight.h" | ||
26 | #include "backlight-target.h" | ||
27 | #include "pinctrl-imx233.h" | ||
28 | |||
29 | void _backlight_set_brightness(int brightness) | ||
30 | { | ||
31 | imx233_set_gpio_output(1, 28, false); | ||
32 | udelay(600); | ||
33 | while(brightness-- > 0) | ||
34 | { | ||
35 | imx233_set_gpio_output(1, 28, false); | ||
36 | imx233_set_gpio_output(1, 28, true); | ||
37 | } | ||
38 | } | ||
39 | |||
40 | bool _backlight_init(void) | ||
41 | { | ||
42 | imx233_set_pin_function(1, 28, PINCTRL_FUNCTION_GPIO); | ||
43 | imx233_set_pin_drive_strength(1, 28, PINCTRL_DRIVE_8mA); | ||
44 | imx233_enable_gpio_output(1, 28, true); | ||
45 | imx233_set_gpio_output(1, 29, true); | ||
46 | udelay(600); | ||
47 | _backlight_set_brightness(100); | ||
48 | return true; | ||
49 | } | ||
50 | |||
51 | void _backlight_on(void) | ||
52 | { | ||
53 | #ifdef HAVE_LCD_ENABLE | ||
54 | lcd_enable(true); /* power on lcd + visible display */ | ||
55 | #endif | ||
56 | /* don't do anything special, the core will set the brightness */ | ||
57 | } | ||
58 | |||
59 | void _backlight_off(void) | ||
60 | { | ||
61 | /* there is no real on/off but we can set to 0 brightness */ | ||
62 | _backlight_set_brightness(0); | ||
63 | #ifdef HAVE_LCD_ENABLE | ||
64 | lcd_enable(false); /* power off visible display */ | ||
65 | #endif | ||
66 | } | ||