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authorKishon Vijay Abraham I <kishon@ti.com>2013-06-11 15:48:02 +0400
committerChanwoo Choi <cw00.choi@samsung.com>2013-08-05 03:52:45 +0400
commit6eee5b3b493824731ed34ade0299241f91f04096 (patch)
tree7bb211aa395c43ef155373fe7049219fadd417dd /include/linux/extcon
parent5ae90d8e467e625e447000cb4335c4db973b1095 (diff)
downloadlinux-6eee5b3b493824731ed34ade0299241f91f04096.tar.xz
extcon: Add an API to get extcon device from dt node
Added an API of_extcon_get_extcon_dev() to be used by drivers to get extcon device in the case of dt boot (this can be used instead of extcon_get_extcon_dev()). Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'include/linux/extcon')
-rw-r--r--include/linux/extcon/of_extcon.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/extcon/of_extcon.h b/include/linux/extcon/of_extcon.h
new file mode 100644
index 000000000000..0ebfeff1b55d
--- /dev/null
+++ b/include/linux/extcon/of_extcon.h
@@ -0,0 +1,31 @@
+/*
+ * OF helpers for External connector (extcon) framework
+ *
+ * Copyright (C) 2013 Texas Instruments, Inc.
+ * Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * Copyright (C) 2013 Samsung Electronics
+ * Chanwoo Choi <cw00.choi@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_OF_EXTCON_H
+#define __LINUX_OF_EXTCON_H
+
+#include <linux/err.h>
+
+#if IS_ENABLED(CONFIG_OF_EXTCON)
+extern struct extcon_dev
+ *of_extcon_get_extcon_dev(struct device *dev, int index);
+#else
+static inline struct extcon_dev
+ *of_extcon_get_extcon_dev(struct device *dev, int index)
+{
+ return ERR_PTR(-ENOSYS);
+}
+#endif /* CONFIG_OF_EXTCON */
+#endif /* __LINUX_OF_EXTCON_H */