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gpio: sx150x: 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.

This also starts to propagate the error code from the I2C
transaction as the end of the series adds support for that.

Cc: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-21 11:41:06 +01:00
parent 8a240c3117
commit f2e13d2f6a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-sx150x.c
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@ -344,7 +344,7 @@ static int sx150x_gpio_get(struct gpio_chip *gc, unsigned offset)
mutex_unlock(&chip->lock);
}
return status;
return (status < 0) ? status : !!status;
}
static void sx150x_gpio_set(struct gpio_chip *gc, unsigned offset, int val)