/* * 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 "thermal_core.h" /** * notify_user_space - Notifies user space about thermal events * @tz - thermal_zone_device * * This function notifies the user space through UEvents. */ static int notify_user_space(struct thermal_zone_device *tz, int trip) { mutex_lock(&tz->lock); kobject_uevent(&tz->device.kobj, KOBJ_CHANGE); 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); }