[PATCH v2] extcon: Split out extcon header file for consumer and provider device
Felipe Balbi
balbi at kernel.org
Tue Oct 10 03:26:44 PDT 2017
Hi,
Chanwoo Choi <cw00.choi at samsung.com> writes:
> The extcon has two type of extcon devices as following.
> - 'extcon provider deivce' adds new extcon device and detect the
> state/properties of external connector. Also, it notifies the
> state/properties to the extcon consumer device.
> - 'extcon consumer device' gets the change state/properties
> from extcon provider device.
> Prior to that, include/linux/extcon.h contains all exported API for
> both provider and consumer device driver. To clarify the meaning of
> header file and to remove the wrong use-case on consumer device,
> this patch separates into extcon.h and extcon-provider.h.
>
> [Description for include/linux/{extcon.h|extcon-provider.h}]
> - extcon.h includes the extcon API and data structure for extcon consumer
> device driver. This header file contains the following APIs:
> : Register/unregister the notifier to catch the change of extcon device
> : Get the extcon device instance
> : Get the extcon device name
> : Get the state of each external connector
> : Get the property value of each external connector
> : Get the property capability of each external connector
>
> - extcon-provider.h includes the extcon API and data structure for extcon
> provider device driver. This header file contains the following APIs:
> : Include 'include/linux/extcon.h'
> : Allocate the memory for extcon device instance
> : Register/unregister extcon device
> : Set the state of each external connector
> : Set the property value of each external connector
> : Set the property capability of each external connector
>
> Cc: Felipe Balbi <balbi at kernel.org>
Acked-by: Felipe Balbi <felipe.balbi at linux.intel.com>
--
balbi
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