| Ezequiel Garcia | 916fe61 | 2016-03-29 17:35:47 -0300 | [diff] [blame^] | 1 | /* |
| 2 | * Kernel Panic LED Trigger |
| 3 | * |
| 4 | * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/leds.h> |
| 15 | |
| 16 | static struct led_trigger *trigger; |
| 17 | |
| 18 | static long led_panic_blink(int state) |
| 19 | { |
| 20 | led_trigger_event(trigger, state ? LED_FULL : LED_OFF); |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | static int __init ledtrig_panic_init(void) |
| 25 | { |
| 26 | led_trigger_register_simple("panic", &trigger); |
| 27 | panic_blink = led_panic_blink; |
| 28 | return 0; |
| 29 | } |
| 30 | device_initcall(ledtrig_panic_init); |