/*
 * LED Triggers for USB Activity
 *
 * Copyright 2014 Michal Sojka <sojka@merica.cz>
 *
 * 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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/usb.h>

#define BLINK_DELAY 30

static unsigned long usb_blink_delay = BLINK_DELAY;

DEFINE_LED_TRIGGER(ledtrig_usb_gadget);
DEFINE_LED_TRIGGER(ledtrig_usb_host);

void usb_led_activity(enum usb_led_event ev)
{
	struct led_trigger *trig = NULL;

	switch (ev) {
	case USB_LED_EVENT_GADGET:
		trig = ledtrig_usb_gadget;
		break;
	case USB_LED_EVENT_HOST:
		trig = ledtrig_usb_host;
		break;
	}
	/* led_trigger_blink_oneshot() handles trig == NULL gracefully */
	led_trigger_blink_oneshot(trig, &usb_blink_delay, &usb_blink_delay, 0);
}
EXPORT_SYMBOL_GPL(usb_led_activity);


static int __init ledtrig_usb_init(void)
{
	led_trigger_register_simple("usb-gadget", &ledtrig_usb_gadget);
	led_trigger_register_simple("usb-host", &ledtrig_usb_host);
	return 0;
}

static void __exit ledtrig_usb_exit(void)
{
	led_trigger_unregister_simple(ledtrig_usb_gadget);
	led_trigger_unregister_simple(ledtrig_usb_host);
}

module_init(ledtrig_usb_init);
module_exit(ledtrig_usb_exit);
m></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/include/crypto?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/crypto?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include/crypto?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/crypto?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/crypto'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='7286ff7fde9f963736c7e575572899d8e16b06b7'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/crypto?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7'>crypto</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/crypto?h=nds-private-remove&amp;id=7286ff7fde9f963736c7e575572899d8e16b06b7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>