gpio: rcar: clamp returned value to [0,1]
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>
(cherry picked from commit 7cb5409b10d9f8316ca2539591acb6a5f7fd4139)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index b6ae89e..0d251dc 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -240,9 +240,9 @@
/* 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)
