summaryrefslogtreecommitdiffstats
path: root/include/linux/extcon.h
diff options
context:
space:
mode:
authorChanwoo Choi <cw00.choi@samsung.com>2014-03-18 19:55:46 +0900
committerChanwoo Choi <cw00.choi@samsung.com>2014-03-19 14:41:58 +0900
commit1ad94ffef22c0a6e2ee6ba90a800c32fd29ffa1f (patch)
tree1cacdc1749c8ca3d47e3ef8fc19fa5228db4354e /include/linux/extcon.h
parentca48824117b3ceaa4e35a7c5d651b95c288308e6 (diff)
extcon: Move OF helper function to extcon core and change function name
This patch move simply OF helper function to extcon core and change function name as following: - of_extcon_get_extcon_dev() -> extcon_get_edev_by_phandle() Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'include/linux/extcon.h')
-rw-r--r--include/linux/extcon.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 21c59af1150..f488145bb2d 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -240,6 +240,12 @@ extern int extcon_register_notifier(struct extcon_dev *edev,
struct notifier_block *nb);
extern int extcon_unregister_notifier(struct extcon_dev *edev,
struct notifier_block *nb);
+
+/*
+ * Following API get the extcon device from devicetree.
+ * 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);
#else /* CONFIG_EXTCON */
static inline int extcon_dev_register(struct extcon_dev *edev)
{
@@ -324,5 +330,11 @@ static inline int extcon_unregister_interest(struct extcon_specific_cable_nb
{
return 0;
}
+
+static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
+ int index)
+{
+ return ERR_PTR(-ENODEV);
+}
#endif /* CONFIG_EXTCON */
#endif /* __LINUX_EXTCON_H__ */