gpio: janz-ttl: Be sure to clamp return value

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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>

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Linus Walleij 2015-12-21 11:03:33 +01:00

parent 4c628f3de6

commit 828240c27a

1 changed files with 1 additions and 1 deletions

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drivers/gpio/gpio-janz-ttl.c

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