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| author | Chanwoo Choi <cw00.choi@samsung.com> | 2015-04-15 13:57:51 +0900 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2015-05-19 16:39:04 +0900 |
| commit | 707d7550875a9bd245ce5f1077d2d2cb44eab218 (patch) | |
| tree | 22476cb6161ab33949c852836fb1329c65f77ac9 | |
| parent | 71c3ffa5d23af0554c27010cf12710da9bf85950 (diff) | |
| download | linux-707d7550875a9bd245ce5f1077d2d2cb44eab218.tar.bz2 | |
extcon: Add extcon_get_edev_name() API to get the extcon device name
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>
| -rw-r--r-- | drivers/extcon/extcon.c | 9 | ||||
| -rw-r--r-- | include/linux/extcon.h | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 1a932292d6c8..c5e9ebf0a914 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -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(); diff --git a/include/linux/extcon.h b/include/linux/extcon.h index 36f49c405dfb..e2cf6254c86a 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -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) { |