mfd: tc6393xb: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 22 Dec 2015 14:47:55 +0000 (15:47 +0100)
committerLee Jones <lee.jones@linaro.org>
Thu, 14 Jan 2016 08:43:21 +0000 (08:43 +0000)
commit2d5f72b85a8876088be77cee3a7bdee4c0259085
treed513cdc0d5aa58f2a6fdf14b4cafc13e27d62cc9
parentbf3de47f1af3dab8fb8c3a3bd21ada7de614b7de
mfd: tc6393xb: 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: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/tc6393xb.c