23dc0b0179
Patch by Mihail Zenkov who measured a modest increase in power consumption with the current sink enabled. Change-Id: Ib1c1639318de35d449ca51a9bd480005cb6a2ee0 Reviewed-on: http://gerrit.rockbox.org/989 Reviewed-by: Michael Giacomelli <giac2000@hotmail.com> Tested: Michael Giacomelli <giac2000@hotmail.com>
59 lines
1.6 KiB
C
59 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 © 2011 Bertrik Sikken
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 <stdbool.h>
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#include "config.h"
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#include "backlight-target.h"
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#include "lcd.h"
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#include "as3525v2.h"
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#include "ascodec.h"
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#include "lcd-target.h"
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bool _backlight_init()
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{
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return true;
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}
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void _backlight_on(void)
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{
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/* GPIO B1 controls backlight */
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GPIOB_DIR |= (1 << 1);
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ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x90);
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GPIOB_PIN(1) = (1 << 1);
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(true);
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#endif
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}
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void _backlight_off(void)
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{
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(false);
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#endif
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ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0);
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GPIOB_PIN(1) = 0;
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}
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void _backlight_set_brightness(int brightness)
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{
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oled_brightness(brightness);
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}
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