2 * Copyright © 2016 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 static struct ao_power *head, *tail;
25 ao_power_register(struct ao_power *power)
27 if (power->registered)
29 power->registered = true;
38 ao_led_on(AO_LED_POWER);
43 ao_power_unregister(struct ao_power *power)
45 if (!power->registered)
47 power->registered = false;
49 power->prev->next = power->next;
53 power->next->prev = power->prev;
59 ao_power_suspend(void)
64 ao_led_off(AO_LED_POWER);
66 for (p = tail; p; p = p->prev)
75 for (p = head; p; p = p->next)
78 ao_led_on(AO_LED_POWER);