ef12b3b5c6
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15599 a1c6a512-1295-4272-9138-f99709370657
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Karl Kurbjun
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "backlight-target.h"
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#include "backlight.h"
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#include "lcd.h"
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#include "power.h"
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#include "spi-target.h"
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void _backlight_on(void)
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{
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_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
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}
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void _backlight_off(void)
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{
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_backlight_set_brightness(0);
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}
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/* Assumes that the backlight has been initialized */
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void _backlight_set_brightness(int brightness)
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{
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uint8_t bl_command[] = {0xa4, 0x00, brightness, 0xbb};
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spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
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}
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void __backlight_dim(bool dim_now)
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{
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_backlight_set_brightness(dim_now ?
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DEFAULT_BRIGHTNESS_SETTING :
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DEFAULT_DIMNESS_SETTING);
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}
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bool _backlight_init(void)
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{
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_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
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return true;
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}
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