gpiolib: don't allow OPEN_DRAIN & OPEN_SOURCE flags for input

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OPEN_DRAIN and OPEN_SOURCE flags only affect the way we drive a GPIO
line, so they only make sense for output mode. Just as we only allow
input mode for event handle requests, don't allow passing open-drain
and open-source flags for any other mode than explicit output.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Bartosz Golaszewski 2017-10-16 11:32:30 +02:00 • committed by Linus Walleij

parent 418ee8e91f

commit 609aaf6a60

1 changed files with 6 additions and 0 deletions

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drivers/gpio/gpiolib.c

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