From d23a22a74fded23a12434c9463fe66cec2b0afcd Mon Sep 17 00:00:00 2001
From: Fabio Baltieri <fabio.baltieri@gmail.com>
Date: Wed, 15 Aug 2012 21:44:34 +0800
Subject: leds: delay led_set_brightness if stopping soft-blink

Delay execution of led_set_brightness() if need to stop soft-blink
timer.

This allows led_set_brightness to be called in hard-irq context even if
soft-blink was activated on that LED.

Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
---
 include/linux/leds.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include/linux/leds.h')

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 3aade1d8f41..56761974f28 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -16,6 +16,7 @@
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
 #include <linux/timer.h>
+#include <linux/workqueue.h>
 
 struct device;
 /*
@@ -69,6 +70,9 @@ struct led_classdev {
 	struct timer_list	 blink_timer;
 	int			 blink_brightness;
 
+	struct work_struct	set_brightness_work;
+	int			delayed_set_value;
+
 #ifdef CONFIG_LEDS_TRIGGERS
 	/* Protects the trigger data below */
 	struct rw_semaphore	 trigger_lock;
-- 
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