From: Donggeun Kim <dg77.kim@samsung.com>
Date: Fri, 20 Apr 2012 05:16:24 +0000 (+0900)
Subject: Extcon: support notification based on the state changes.
X-Git-Tag: v3.5-rc1~147^2~76
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74c5d09bd562edc220d6e076b8f1e118819c178f;p=pandora-kernel.git

Extcon: support notification based on the state changes.

State changes of extcon devices have been notified via kobjet_uevent.
This patch adds notifier interfaces in order to allow device drivers to
get notified easily. Along with notifier interface,
extcon_get_extcon_dev() function is added so that device drivers may
discover a extcon_dev easily.

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

--
Changes from RFC
- Renamed switch to extcon
- Bugfix: extcon_dev_unregister()
- Bugfix: "edev->dev" is "internal" data.
- Added kerneldoc comments.
- Reworded comments.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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