603a9c7c7d
Revive lcd_enable() as well, and use it in _backlight_on/off() Don't update the lcd framebuffer if the display is off git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18952 a1c6a512-1295-4272-9138-f99709370657
58 lines
1.8 KiB
C
58 lines
1.8 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 © 2008 Rafaël Carré
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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 "backlight-target.h"
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#include "as3525.h"
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/* TODO : backlight brightness */
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/* XXX : xpd is used for SD/MCI interface
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* If interrupts are used to access this interface, they should be
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* disabled in _buttonlight_on/off ()
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*/
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void _buttonlight_on(void)
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{
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int saved_ccu_io;
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saved_ccu_io = CCU_IO; /* save XPD setting */
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CCU_IO &= ~(3<<2); /* setup xpd as GPIO */
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GPIOD_DIR |= (1<<7);
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GPIOD_PIN(7) = (1<<7); /* set pin d7 high */
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CCU_IO = saved_ccu_io; /* restore the previous XPD setting */
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}
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void _buttonlight_off(void)
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{
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int saved_ccu_io;
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saved_ccu_io = CCU_IO; /* save XPD setting */
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CCU_IO &= ~(3<<2); /* setup xpd as GPIO */
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GPIOD_DIR |= (1<<7);
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GPIOD_PIN(7) = 0; /* set pin d7 low */
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CCU_IO = saved_ccu_io; /* restore the previous XPD setting */
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}
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