gpio: sysfs: rename active-low helper

Rename active-low helper using common prefix.

Also remove unnecessary manipulation of value argument.
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpiolib-sysfs.c

@@ -285,7 +285,7 @@ static ssize_t edge_store(struct device *dev,
 static DEVICE_ATTR_RW(edge);
 
 /* Caller holds gpiod-data mutex. */
-static int sysfs_set_active_low(struct device *dev, int value)
+static int gpio_sysfs_set_active_low(struct device *dev, int value)
 {
 	struct gpiod_data	*data = dev_get_drvdata(dev);
 	struct gpio_desc	*desc = data->desc;
@@ -339,7 +339,7 @@ static ssize_t active_low_store(struct device *dev,
 
 	status = kstrtol(buf, 0, &value);
 	if (status == 0)
-		status = sysfs_set_active_low(dev, value != 0);
+		status = gpio_sysfs_set_active_low(dev, value);
 
 	mutex_unlock(&data->mutex);