/*
 *  user_space.c - A simple user space Thermal events notifier
 *
 *  Copyright (C) 2012 Intel Corp
 *  Copyright (C) 2012 Durgadoss R <durgadoss.r@intel.com>
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/thermal.h>
#include <linux/slab.h>
#include "thermal_core.h"

/**
 * notify_user_space - Notifies user space about thermal events
 * @tz - thermal_zone_device
 * @trip - Trip point index
 *
 * This function notifies the user space through UEvents.
 */
static int notify_user_space(struct thermal_zone_device *tz, int trip)
{
	char *thermal_prop[5];
	int i;

	mutex_lock(&tz->lock);
	thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type);
	thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature);
	thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip);
	thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event);
	thermal_prop[4] = NULL;
	kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop);
	for (i = 0; i < 4; ++i)
		kfree(thermal_prop[i]);
	mutex_unlock(&tz->lock);
	return 0;
}

static struct thermal_governor thermal_gov_user_space = {
	.name		= "user_space",
	.throttle	= notify_user_space,
};

int thermal_gov_user_space_register(void)
{
	return thermal_register_governor(&thermal_gov_user_space);
}

void thermal_gov_user_space_unregister(void)
{
	thermal_unregister_governor(&thermal_gov_user_space);
}

ght' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=52f5631a4c056ad01682393be56d2be237e81610'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers?h=nds-private-remove&amp;id=52f5631a4c056ad01682393be56d2be237e81610'>drivers</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='52f5631a4c056ad01682393be56d2be237e81610'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=52f5631a4c056ad01682393be56d2be237e81610'>Diffstat</a> (limited to 'drivers')</div><table summary='diffstat' class='diffstat'>