staging: iio: ad7816: Set RD/WR pin and CONVST pin as outputs.

The RD/WR pin and CONVST pin are logical inputs to the AD78xx
chip as per the datasheet. Hence convert them to outputs.

Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index 3cda5cd09365be938e2cce662a1a376d5ab8585b..a2fead85cd4662647774885a8b94ec63d9816424 100644 (file)
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -369,14 +369,15 @@ static int ad7816_probe(struct spi_device *spi_dev)
                chip->oti_data[i] = 203;
 
        chip->id = spi_get_device_id(spi_dev)->driver_data;
-       chip->rdwr_pin = devm_gpiod_get(&spi_dev->dev, "rdwr", GPIOD_IN);
+       chip->rdwr_pin = devm_gpiod_get(&spi_dev->dev, "rdwr", GPIOD_OUT_HIGH);
        if (IS_ERR(chip->rdwr_pin)) {
                ret = PTR_ERR(chip->rdwr_pin);
                dev_err(&spi_dev->dev, "Failed to request rdwr GPIO: %d\n",
                        ret);
                return ret;
        }
-       chip->convert_pin = devm_gpiod_get(&spi_dev->dev, "convert", GPIOD_IN);
+       chip->convert_pin = devm_gpiod_get(&spi_dev->dev, "convert",
+                                          GPIOD_OUT_HIGH);
        if (IS_ERR(chip->convert_pin)) {
                ret = PTR_ERR(chip->convert_pin);
                dev_err(&spi_dev->dev, "Failed to request convert GPIO: %d\n",