From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 11 Feb 2015 16:32:53 +0000 (+0100)
Subject: drm/tilcdc: panel: make better use of gpiod API
X-Git-Tag: omap-for-v4.3/fixes-rc1~96^2~40^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26a5bd26499fba331ecaa1e8ce8cc2b8c6fac569;p=pandora-kernel.git

drm/tilcdc: panel: make better use of gpiod API

Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.

Furthermore there is devm_gpiod_get_optional which is designed to get
optional gpios.

Simplify driver accordingly.

Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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