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extcon: add possibility to get extcon device by OF node

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Since extcon property is not allowed in DT, extcon subsystem requires
another way to get extcon device. Lets try the simplest approach - get
edev by of_node.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Andrzej Hajda
2018-02-27 13:22:07 +01:00
committed by Chanwoo Choi
parent 1421717321
commit 370ed7a9b9
2 changed files with 40 additions and 10 deletions
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6
include/linux/extcon.h
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@@ -230,6 +230,7 @@ extern void devm_extcon_unregister_notifier_all(struct device *dev,
* Following APIs get the extcon_dev from devicetree or by through extcon name.
*/
extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name);
extern struct extcon_dev *extcon_find_edev_by_node(struct device_node *node);
extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
int index);
@@ -283,6 +284,11 @@ static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
return ERR_PTR(-ENODEV);
}
static inline struct extcon_dev *extcon_find_edev_by_node(struct device_node *node)
{
return ERR_PTR(-ENODEV);
}
static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
int index)
{