iio: adc: ad7766: Remove unneeded gpiod NULL check

The gpiod API checks for NULL descriptors, so there is no need to
duplicate the check in the driver.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7766.c b/drivers/iio/adc/ad7766.c
index 75cca42..ce45037 100644 (file)
--- a/drivers/iio/adc/ad7766.c
+++ b/drivers/iio/adc/ad7766.c
@@ -103,8 +103,7 @@ static int ad7766_preenable(struct iio_dev *indio_dev)
                return ret;
        }
 
-       if (ad7766->pd_gpio)
-               gpiod_set_value(ad7766->pd_gpio, 0);
+       gpiod_set_value(ad7766->pd_gpio, 0);
 
        return 0;
 }
@@ -113,8 +112,7 @@ static int ad7766_postdisable(struct iio_dev *indio_dev)
 {
        struct ad7766 *ad7766 = iio_priv(indio_dev);
 
-       if (ad7766->pd_gpio)
-               gpiod_set_value(ad7766->pd_gpio, 1);
+       gpiod_set_value(ad7766->pd_gpio, 1);
 
        /*
         * The PD pin is synchronous to the clock, so give it some time to