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: Liam Girdwood lgirdwood@gmail.com Cc: alsa-devel@alsa-project.org Cc: Charles Keepax ckeepax@opensource.wolfsonmicro.com Cc: Mark Brown broonie@kernel.org Signed-off-by: Linus Walleij linus.walleij@linaro.org --- Mark: as mentioned in 00/54: either apply this directly or ACK it and I will take it into the GPIO tree. --- sound/soc/codecs/wm8903.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index 2512def0d349..a82b8bc2cfc0 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,