tree 3828d08fab52b54a922fa00901ac7076a98b0e40
parent a4ce4b8dae68e7233ba699f10e9c120df31f5824
author Linus Walleij <linus.walleij@linaro.org> 1450734355 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1453741346 +0100

unicore: gpio: 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: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>