rockbox/firmware/target/arm/samsung/yh820/backlight-yh820.c
Sebastian Leonhardt 03e63da316 YH820: implement LCD sleep
use sleep setting to keep transflective LCD active without backlight

Change-Id: Iccd97e956d5e4a2a22abc90d15e9123782126ecb
2019-02-07 20:04:19 +01:00

45 lines
1.5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* 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 "config.h"
#include "cpu.h"
#include "system.h"
#include "backlight.h"
#include "backlight-target.h"
#include "lcd.h"
void backlight_hw_on(void)
{
#ifdef HAVE_LCD_SLEEP
lcd_awake(); /* power on lcd + visible display */
#endif
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x2);
}
void backlight_hw_off(void)
{
GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x2);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off visible display */
#endif
}