iio: adc: axp20x_adc: remove !! in favor of ternary condition

!!'s behaviour isn't that obvious and sparse complained about it, so
let's replace it with a ternary condition.

Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
index 7cdb8bc..5be7892 100644 (file)
--- a/drivers/iio/adc/axp20x_adc.c
+++ b/drivers/iio/adc/axp20x_adc.c
@@ -445,7 +445,7 @@ static int axp20x_adc_offset_voltage(struct iio_dev *indio_dev, int channel,
                return -EINVAL;
        }
 
-       *val = !!(*val) * 700000;
+       *val = *val ? 700000 : 0;
 
        return IIO_VAL_INT;
 }
@@ -542,15 +542,17 @@ static int axp20x_write_raw(struct iio_dev *indio_dev,
        if (val != 0 && val != 700000)
                return -EINVAL;
 
+       val = val ? 1 : 0;
+
        switch (chan->channel) {
        case AXP20X_GPIO0_V:
                reg = AXP20X_GPIO10_IN_RANGE_GPIO0;
-               regval = AXP20X_GPIO10_IN_RANGE_GPIO0_VAL(!!val);
+               regval = AXP20X_GPIO10_IN_RANGE_GPIO0_VAL(val);
                break;
 
        case AXP20X_GPIO1_V:
                reg = AXP20X_GPIO10_IN_RANGE_GPIO1;
-               regval = AXP20X_GPIO10_IN_RANGE_GPIO1_VAL(!!val);
+               regval = AXP20X_GPIO10_IN_RANGE_GPIO1_VAL(val);
                break;
 
        default: