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(parent: c9d4ab0) | patch
gpio: viperboard: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 13:58:52 +0000 (14:58 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:32 +0000 (22:28 +0100)
commit80776df4f53e8e2463e57b7b9bc13298c443a393
tree38fde8b54226b66383752bc222c5811d6a2de34dtree | snapshot (tar.gz zip)
parentc9d4ab030c6bdd3b7c7b0a9d4aeec7a8e1776fa5commit | diff
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>
drivers/gpio/gpio-viperboard.c diff | blob | blame | history