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Diffstat (limited to 'firmware/target/arm/samsung/yh920/backlight-yh920.c')
-rw-r--r--firmware/target/arm/samsung/yh920/backlight-yh920.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/firmware/target/arm/samsung/yh920/backlight-yh920.c b/firmware/target/arm/samsung/yh920/backlight-yh920.c
new file mode 100644
index 0000000000..5e2cf81e08
--- /dev/null
+++ b/firmware/target/arm/samsung/yh920/backlight-yh920.c
@@ -0,0 +1,47 @@
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 "cpu.h"
23#include "system.h"
24#include "backlight.h"
25#include "lcd.h"
26
27void _backlight_on(void)
28{
29#ifdef HAVE_LCD_SLEEP
30 backlight_lcd_sleep_countdown(false); /* stop counter */
31#endif
32#ifdef HAVE_LCD_ENABLE
33 lcd_enable(true); /* power on lcd + visible display */
34#endif
35 GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x2);
36}
37
38void _backlight_off(void)
39{
40 GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x2);
41#ifdef HAVE_LCD_ENABLE
42 lcd_enable(false); /* power off visible display */
43#endif
44#ifdef HAVE_LCD_SLEEP
45 backlight_lcd_sleep_countdown(true); /* start countdown */
46#endif
47}