arch/ia64/sn/kernel/idle.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (c) 2001-2004 Silicon Graphics, Inc.  All rights reserved.
   7  */
   8
   9 #include <asm/sn/leds.h>
  10
  11 void snidle(int state)
  12 {
  13         if (state) {
  14                 if (pda->idle_flag == 0) {
  15                         /*
  16                          * Turn the activity LED off.
  17                          */
  18                         set_led_bits(0, LED_CPU_ACTIVITY);
  19                 }
  20
  21                 pda->idle_flag = 1;
  22         } else {
  23                 /*
  24                  * Turn the activity LED on.
  25                  */
  26                 set_led_bits(LED_CPU_ACTIVITY, LED_CPU_ACTIVITY);
  27
  28                 pda->idle_flag = 0;
  29         }
  30 }