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gpio: rcar: clamp returned value to [0,1]

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While it will be clamped to bool by gpiolib, let's make this sane
in the driver as well.

Signed-off-by: Jürg Billeter <j@bitron.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jürg Billeter 2014-06-24 04:19:50 +02:00 committed by Linus Walleij
parent b41acf8869
commit 7cb5409b10
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-rcar.c
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@ -240,9 +240,9 @@ static int gpio_rcar_get(struct gpio_chip *chip, unsigned offset)
/* testing on r8a7790 shows that INDT does not show correct pin state
* when configured as output, so use OUTDT in case of output pins */
if (gpio_rcar_read(gpio_to_priv(chip), INOUTSEL) & bit)
return (int)(gpio_rcar_read(gpio_to_priv(chip), OUTDT) & bit);
return !!(gpio_rcar_read(gpio_to_priv(chip), OUTDT) & bit);
else
return (int)(gpio_rcar_read(gpio_to_priv(chip), INDT) & bit);
return !!(gpio_rcar_read(gpio_to_priv(chip), INDT) & bit);
}
static void gpio_rcar_set(struct gpio_chip *chip, unsigned offset, int value)