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| author | Sangjung Woo <sangjung.woo@samsung.com> | 2014-04-21 19:10:08 +0900 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2014-04-24 19:36:55 +0900 |
| commit | 1111244ff4493448c0ee66e814e20c6e81d3b93d (patch) | |
| tree | 67e3d29dc335fcd67f85d4a4683c271d3749829a /include/linux/extcon.h | |
| parent | 369afd4ba22f5b8de0c9229b6e62b3f9e2207034 (diff) | |
| download | op-kernel-dev-1111244ff4493448c0ee66e814e20c6e81d3b93d.zip op-kernel-dev-1111244ff4493448c0ee66e814e20c6e81d3b93d.tar.gz | |
extcon: Add resource-managed extcon register function
Add resource-managed extcon device register function for convenience.
For example, if a extcon device is attached with new
devm_extcon_dev_register(), that extcon device is automatically
unregistered on driver detach.
Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>
[Fix bug about devm_extcon_dev_match/release() and code clean by Chanwoo Choi]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'include/linux/extcon.h')
| -rw-r--r-- | include/linux/extcon.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/extcon.h b/include/linux/extcon.h index f488145..548447b 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -185,6 +185,10 @@ struct extcon_specific_cable_nb { */ extern int extcon_dev_register(struct extcon_dev *edev); extern void extcon_dev_unregister(struct extcon_dev *edev); +extern int devm_extcon_dev_register(struct device *dev, + struct extcon_dev *edev); +extern void devm_extcon_dev_unregister(struct device *dev, + struct extcon_dev *edev); extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name); /* @@ -254,6 +258,15 @@ static inline int extcon_dev_register(struct extcon_dev *edev) static inline void extcon_dev_unregister(struct extcon_dev *edev) { } +static inline int devm_extcon_dev_register(struct device *dev, + struct extcon_dev *edev) +{ + return -EINVAL; +} + +static inline void devm_extcon_dev_unregister(struct device *dev, + struct extcon_dev *edev) { } + static inline u32 extcon_get_state(struct extcon_dev *edev) { return 0; |
