linux/include/linux/extcon/of_extcon.h
Kishon Vijay Abraham I 6eee5b3b49 extcon: Add an API to get extcon device from dt node
Added an API of_extcon_get_extcon_dev() to be used by drivers to get
extcon device in the case of dt boot (this can be used instead of
extcon_get_extcon_dev()).

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
2013-08-05 08:52:45 +09:00

32 lines
882 B
C

/*
* OF helpers for External connector (extcon) framework
*
* Copyright (C) 2013 Texas Instruments, Inc.
* Kishon Vijay Abraham I <kishon@ti.com>
*
* Copyright (C) 2013 Samsung Electronics
* Chanwoo Choi <cw00.choi@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __LINUX_OF_EXTCON_H
#define __LINUX_OF_EXTCON_H
#include <linux/err.h>
#if IS_ENABLED(CONFIG_OF_EXTCON)
extern struct extcon_dev
*of_extcon_get_extcon_dev(struct device *dev, int index);
#else
static inline struct extcon_dev
*of_extcon_get_extcon_dev(struct device *dev, int index)
{
return ERR_PTR(-ENOSYS);
}
#endif /* CONFIG_OF_EXTCON */
#endif /* __LINUX_OF_EXTCON_H */