aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/misc/blink.c
blob: 634431ce1184f67fd2157844f2f9fa241b364efd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/timer.h>
#include <linux/jiffies.h>

static void do_blink(unsigned long data);

static DEFINE_TIMER(blink_timer, do_blink, 0 ,0);

static void do_blink(unsigned long data)
{
	static long count;
	if (panic_blink)
		panic_blink(count++);
	blink_timer.expires = jiffies + msecs_to_jiffies(1);
	add_timer(&blink_timer);
}

static int blink_init(void)
{
	printk(KERN_INFO "Enabling keyboard blinking\n");
	do_blink(0);
	return 0;
}

module_init(blink_init);