Searched hist:e9639436091a5c65c391d9b5e218eb5fbf30173d (Results 1 – 1 of 1) sorted by relevance
| /linux/drivers/gpio/ |
| H A D | gpio-kempld.c | diff e9639436091a5c65c391d9b5e218eb5fbf30173d Mon Dec 21 11:04:26 CET 2015 Linus Walleij <linus.walleij@linaro.org> gpio: kempld: 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: Brunner Michael <Michael.Brunner@kontron.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|