tree c8f55467871f03f6ead604fbd442172bc0491824
parent a5dca7dc7e80f0cb4dcc9251983fb51745541f48
author Linus Walleij <linus.walleij@linaro.org> 1450795713 +0100
committer Lee Jones <lee.jones@linaro.org> 1452498790 +0000

mfd: ucb1x00-core: 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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>