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| author |   Kishon Vijay Abraham I <kishon@ti.com> | 2013-06-11 20:48:02 +0900 |
|---|---|---|
| committer |   Chanwoo Choi <cw00.choi@samsung.com> | 2013-08-05 08:52:45 +0900 |
| commit | 6eee5b3b493824731ed34ade0299241f91f04096 (patch) | |
| tree | 7bb211aa395c43ef155373fe7049219fadd417dd /include/linux/extcon | |
| parent | Linux 3.11-rc3 (diff) | |
| download | wireguard-linux-6eee5b3b493824731ed34ade0299241f91f04096.tar.xz wireguard-linux-6eee5b3b493824731ed34ade0299241f91f04096.zip | |
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>
Diffstat (limited to 'include/linux/extcon')
| -rw-r--r-- | include/linux/extcon/of_extcon.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/extcon/of_extcon.h b/include/linux/extcon/of_extcon.h new file mode 100644 index 000000000000..0ebfeff1b55d --- /dev/null +++ b/include/linux/extcon/of_extcon.h @@ -0,0 +1,31 @@ +/* + * 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 */ |