linux/drivers/devfreq/governor_powersave.c

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/*
* linux/drivers/devfreq/governor_powersave.c
*
* Copyright (C) 2011 Samsung Electronics
* MyungJoo Ham <myungjoo.ham@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/devfreq.h>
#include "governor.h"
static int devfreq_powersave_func(struct devfreq *df,
unsigned long *freq)
{
/*
* target callback should be able to get ceiling value as
* said in devfreq.h
*/
*freq = df->min_freq;
return 0;
}
static int powersave_init(struct devfreq *devfreq)
{
return update_devfreq(devfreq);
}
const struct devfreq_governor devfreq_powersave = {
.name = "powersave",
.init = powersave_init,
.get_target_freq = devfreq_powersave_func,
.no_central_polling = true,
};