From: Andrew Bresticker <abrestic@chromium.org>
Date: Wed, 16 Apr 2014 20:40:17 +0000 (-0700)
Subject: pinctrl: as3722: fix handling of GPIO invert bit
X-Git-Tag: omap-for-v3.16/pm-signed~24^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a73d2e30b46787d478275db36c19222020e29dc5;p=pandora-kernel.git

pinctrl: as3722: fix handling of GPIO invert bit

The AS3722_GPIO_INV bit will always be blindly overwritten by
as3722_pinctrl_gpio_set_direction() and will be ignored when
setting the value of the GPIO in as3722_gpio_set() since the
enable_gpio_invert flag is never set.  This will cause an
initially inverted GPIO to toggle when requested as an output,
which could be problematic if, for example, the GPIO controls
a critical regulator.

Instead of setting up the enable_gpio_invert flag, just leave
the invert bit alone and check it before setting the GPIO value.

Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

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