69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
|
||
|
|
* http://www.samsung.com
|
||
|
|
*
|
||
|
|
* Samsung TN debugging code
|
||
|
|
*
|
||
|
|
* 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/kernel.h>
|
||
|
|
#include <linux/notifier.h>
|
||
|
|
#include <linux/sec_debug.h>
|
||
|
|
#ifndef CONFIG_SEC_KEY_NOTIFIER
|
||
|
|
#include <linux/gpio_keys.h>
|
||
|
|
#else
|
||
|
|
#include <linux/input.h>
|
||
|
|
#include "sec_key_notifier.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int sec_crash_key_check_keys(struct notifier_block *nb,
|
||
|
|
unsigned long type, void *data)
|
||
|
|
{
|
||
|
|
#ifndef CONFIG_SEC_KEY_NOTIFIER
|
||
|
|
unsigned int code = (unsigned int)type;
|
||
|
|
int state = *(int *)data;
|
||
|
|
#else
|
||
|
|
struct sec_key_notifier_param *param = data;
|
||
|
|
unsigned int code = param->keycode;
|
||
|
|
int state = param->down;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_SEC_DEBUG
|
||
|
|
if (code == KEY_VOLUMEDOWN || code == KEY_VOLUMEUP || code == KEY_POWER)
|
||
|
|
sec_debug_check_crash_key(code, state);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return NOTIFY_DONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef CONFIG_SEC_KEY_NOTIFIER
|
||
|
|
static struct notifier_block nb_gpio_keys = {
|
||
|
|
.notifier_call = sec_crash_key_check_keys
|
||
|
|
};
|
||
|
|
#else
|
||
|
|
static struct notifier_block seccmn_crash_key_notifier = {
|
||
|
|
.notifier_call = sec_crash_key_check_keys
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int __init sec_crash_key_init(void)
|
||
|
|
{
|
||
|
|
//spin_lock_init(&key_crash_lock);
|
||
|
|
/* only work when upload enabled*/
|
||
|
|
if (SEC_DEBUG_LEVEL(kernel)) {
|
||
|
|
#ifndef CONFIG_SEC_KEY_NOTIFIER
|
||
|
|
register_gpio_keys_notifier(&nb_gpio_keys);
|
||
|
|
#else
|
||
|
|
sec_kn_register_notifier(&seccmn_crash_key_notifier);
|
||
|
|
#endif
|
||
|
|
pr_info("%s: force upload key registered\n", __func__);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
early_initcall(sec_crash_key_init);
|