tree a7a24b4c9fc490e0015f45a6a5b4a3fa1fdf1d92
parent 92e963f50fc74041b5e9e744c330dca48e04f08d
author Linus Walleij <linus.walleij@linaro.org> 1450713018 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1453741329 +0100

blackfin: 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: Steven Miao <realmz6@gmail.com>
Cc: adi-buildroot-devel@lists.sourceforge.net
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>