/* * 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 "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); }