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(parent: 18df166) | patch
gpio: ucb1400: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 13:56:04 +0000 (14:56 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:30 +0000 (22:28 +0100)
commitc9d4ab030c6bdd3b7c7b0a9d4aeec7a8e1776fa5
tree543dd95f38a3ef9257d7cd8aedb5393690755b05tree | snapshot (tar.gz zip)
parent18df16692d2ecfac1b48d2036bf4ff7200c191cdcommit | diff
gpio: ucb1400: 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.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-ucb1400.c diff | blob | blame | history