rockbox/firmware/target/arm/tatung/tpj1022/backlight-tpj1022.c

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2006 by Barry Wardell
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

/* The H10 display (and hence backlight) possibly identical to that of the X5,
  so that code was used here but left #if 0'ed  out for the moment */
   
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "backlight.h"

void _backlight_on(void)
{
#if 0
    int level = set_irq_level(HIGHEST_IRQ_LEVEL);
    pcf50606_write(0x38, 0xb0); /* Backlight ON, GPO1INV=1, GPO1ACT=011 */
    set_irq_level(level);
#endif
}

void _backlight_off(void)
{
#if 0
    int level = set_irq_level(HIGHEST_IRQ_LEVEL);
    pcf50606_write(0x38, 0x80); /* Backlight OFF, GPO1INV=1, GPO1ACT=000 */
    set_irq_level(level);
#endif
}