From 891c668b90ded38cec36f0852c4983573597170d Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sun, 25 Jun 2006 05:49:15 -0700
Subject: [PATCH] LED: add LED heartbeat trigger

Add an LED trigger acts like a heart beat.  This can be used as a
replacement of CONFIG_HEARTBEAT code exists in some arch's timer code.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
Cc: "Nish Aravamudan" <nish.aravamudan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/leds/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'drivers/leds/Kconfig')

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index f573d5af0b1..96509989e92 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -93,5 +93,14 @@ config LEDS_TRIGGER_IDE_DISK
 	  This allows LEDs to be controlled by IDE disk activity.
 	  If unsure, say Y.
 
+config LEDS_TRIGGER_HEARTBEAT
+	tristate "LED Heartbeat Trigger"
+	depends LEDS_TRIGGERS
+	help
+	  This allows LEDs to be controlled by a CPU load average.
+	  The flash frequency is a hyperbolic function of the 1-minute
+	  load average.
+	  If unsure, say Y.
+
 endmenu
 
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