kernel_optimize_test/arch/arm/mach-imx/leds-mx1ads.c
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

55 lines
1010 B
C

/*
* linux/arch/arm/mach-imx/leds-mx1ads.c
*
* Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
*
* Original (leds-footbridge.c) by Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include "leds.h"
/*
* The MX1ADS Board has only one usable LED,
* so select only the timer led or the
* cpu usage led
*/
void
mx1ads_leds_event(led_event_t ledevt)
{
unsigned long flags;
local_irq_save(flags);
switch (ledevt) {
#ifdef CONFIG_LEDS_CPU
case led_idle_start:
DR(0) &= ~(1<<2);
break;
case led_idle_end:
DR(0) |= 1<<2;
break;
#endif
#ifdef CONFIG_LEDS_TIMER
case led_timer:
DR(0) ^= 1<<2;
#endif
default:
break;
}
local_irq_restore(flags);
}