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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-22 15:50:49 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-23 00:22:47 +0000 |
| commit | b70381c35f65bbe1a2339e2833a574f0473162fa (patch) | |
| tree | c9f81a7c29941cfb8fbe21645e0d9414809aad01 /sound/soc | |
| parent | 8005c49d9aea74d382f474ce11afbbc7d7130bec (diff) | |
| download | lwn-b70381c35f65bbe1a2339e2833a574f0473162fa.tar.gz lwn-b70381c35f65bbe1a2339e2833a574f0473162fa.zip | |
ASoC: wm8903: 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.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/wm8903.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index e4cc41e6c23e..2ed6419c181e 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -1804,7 +1804,7 @@ static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset) regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, ®); - return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT; + return !!((reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT); } static int wm8903_gpio_direction_out(struct gpio_chip *chip, |