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extcon: Add extcon_get_edev_name() API to get the extcon device name

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This patch adds the extcon_get_edev_name() API to get the name of extcon device
because all information inclued in the structure extcon_dev should be accessed
by extcon core API instead of directly accessing the data.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi 2015-04-15 13:57:51 +09:00
parent 71c3ffa5d2
commit 707d755087
2 changed files with 13 additions and 0 deletions
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9
drivers/extcon/extcon.c
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@ -1046,6 +1046,15 @@ struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index)
#endif /* CONFIG_OF */
EXPORT_SYMBOL_GPL(extcon_get_edev_by_phandle);
/**
* extcon_get_edev_name() - Get the name of the extcon device.
* @edev: the extcon device
*/
const char *extcon_get_edev_name(struct extcon_dev *edev)
{
return !edev ? NULL : edev->name;
}
static int __init extcon_class_init(void)
{
return create_extcon_class();

4
include/linux/extcon.h
View File

@ -259,6 +259,10 @@ extern int extcon_unregister_notifier(struct extcon_dev *edev,
* This function use phandle of devicetree to get extcon device directly.
*/
extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index);
/* Following API to get information of extcon device */
extern const char *extcon_get_edev_name(struct extcon_dev *edev);
#else /* CONFIG_EXTCON */
static inline int extcon_dev_register(struct extcon_dev *edev)
{