tree b3627c08e603d869e384fb8d2608b575021e7a57
parent 6f14dd6964288ecb4cad7d14b966e6d347ce128b
author Linus Walleij <linus.walleij@linaro.org> 1450693256 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1451165296 +0100

gpio: mpc8xxx: 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: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>