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p720t-leds.c
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * linux/arch/arm/mach-clps711x/leds.c
- *
- * Integrator LED control routines
- *
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include <linux/kernel.h>
- #include <linux/init.h>
- #include <asm/hardware.h>
- #include <asm/io.h>
- #include <asm/leds.h>
- #include <asm/system.h>
- #include <asm/mach-types.h>
- #include <asm/hardware/clps7111.h>
- #include <asm/hardware/ep7212.h>
- static void p720t_leds_event(led_event_t ledevt)
- {
- unsigned long flags;
- u32 pddr;
- local_irq_save(flags);
- switch(ledevt) {
- case led_idle_start:
- break;
- case led_idle_end:
- break;
- case led_timer:
- pddr = clps_readb(PDDR);
- clps_writeb(pddr ^ 1, PDDR);
- break;
- default:
- break;
- }
- local_irq_restore(flags);
- }
- static int __init leds_init(void)
- {
- if (machine_is_p720t())
- leds_event = p720t_leds_event;
- return 0;
- }
- __initcall(leds_init);