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(parent: 4c628f3) | patch
gpio: janz-ttl: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 10:03:33 +0000 (11:03 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:10 +0000 (22:28 +0100)
commit828240c27ad44dffc53d6d72794057297f58e28e
tree415abee2cbbf32b3d0966ab54acda887a90e4521tree | snapshot
parent4c628f3de69f66f429c108b27de9f6e82311636ccommit | diff
gpio: janz-ttl: 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: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-janz-ttl.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git