tree 38fde8b54226b66383752bc222c5811d6a2de34d
parent c9d4ab030c6bdd3b7c7b0a9d4aeec7a8e1776fa5
author Linus Walleij <linus.walleij@linaro.org> 1450706332 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1451165312 +0100

gpio: viperboard: Be sure to clamp return value

As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.

Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>