From: Philipp Zabel <p.zabel@pengutronix.de>
Date: Fri, 12 Jun 2015 16:20:35 +0000 (+0200)
Subject: gpio: generic: add get_direction support
X-Git-Tag: omap-for-v4.3/fixes-rc1~96^2~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db3b0fcc5adbda0c7060c9298c2514778547fee2;p=pandora-kernel.git

gpio: generic: add get_direction support

Allow to determine the current direction configuration by
reading back from the direction register.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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