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Commit 9e001028 authored by Harry Yang's avatar Harry Yang
Browse files

extcon: add API to update array of mutually exclusive set 



Add function extcon_set_mutually_exclusive to allow
updating array of mutually exclusive set.

Change-Id: I8259b987ab6a98f555fd5403d09d1506815ecfb7
Signed-off-by: default avatarHarry Yang <harryy@codeaurora.org>
parent 8f0939f8

drivers/extcon/extcon.c

+11 −0
Original line number Diff line number Diff line
@@ -865,6 +865,17 @@ int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, 
}

EXPORT_SYMBOL_GPL(extcon_set_property_capability);



int extcon_set_mutually_exclusive(struct extcon_dev *edev,

				const u32 *exclusive)

{

	if (!edev)

		return -EINVAL;



	edev->mutually_exclusive = exclusive;

	return 0;

}

EXPORT_SYMBOL(extcon_set_mutually_exclusive);



/**

 * extcon_get_extcon_dev() - Get the extcon device instance from the name.

 * @extcon_name:	the extcon name provided with extcon_dev_register()

include/linux/extcon.h

+8 −0
Original line number Diff line number Diff line
@@ -226,6 +226,14 @@ extern int extcon_get_property_capability(struct extcon_dev *edev, 
extern int extcon_set_property_capability(struct extcon_dev *edev,

				unsigned int id, unsigned int prop);



/*

 * Following APIs set array of mutually exclusive.

 * The 'exclusive' argument indicates the array of mutually exclusive set

 * of cables that cannot be attached simultaneously.

 */

extern int extcon_set_mutually_exclusive(struct extcon_dev *edev,

				const u32 *exclusive);



/*

 * Following APIs register the notifier block in order to detect

 * the change of both state and property value for each external connector.