1 /*
2  *  linux/drivers/devfreq/governor_powersave.c
3  *
4  *  Copyright (C) 2011 Samsung Electronics
5  *	MyungJoo Ham <myungjoo.ham@samsung.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/devfreq.h>
13 
14 static int devfreq_powersave_func(struct devfreq *df,
15 				  unsigned long *freq)
16 {
17 	/*
18 	 * target callback should be able to get ceiling value as
19 	 * said in devfreq.h
20 	 */
21 	*freq = df->min_freq;
22 	return 0;
23 }
24 
25 const struct devfreq_governor devfreq_powersave = {
26 	.name = "powersave",
27 	.get_target_freq = devfreq_powersave_func,
28 	.no_central_polling = true,
29 };
30