treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / platform / x86 / dell-rbtn.h
blob0fdc81644458927f2cea2f56adfbf664eb29929b
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 Dell Airplane Mode Switch driver
4 Copyright (C) 2014-2015 Pali Rohár <pali.rohar@gmail.com>
6 */
8 #ifndef _DELL_RBTN_H_
9 #define _DELL_RBTN_H_
11 struct notifier_block;
13 int dell_rbtn_notifier_register(struct notifier_block *nb);
14 int dell_rbtn_notifier_unregister(struct notifier_block *nb);
16 #endif