iio: improve usage of gpiod API

Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for
outputs.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index 74dff4e4a11a..0b4d79490b05 100644
--- a/drivers/iio/proximity/sx9500.c
+++ b/drivers/iio/proximity/sx9500.c
@@ -618,16 +618,12 @@ static int sx9500_gpio_probe(struct i2c_client *client,
         dev = &client->dev;
 
         /* data ready gpio interrupt pin */
-        gpio = devm_gpiod_get_index(dev, SX9500_GPIO_NAME, 0);
+        gpio = devm_gpiod_get_index(dev, SX9500_GPIO_NAME, 0, GPIOD_IN);
         if (IS_ERR(gpio)) {
                 dev_err(dev, "acpi gpio get index failed\n");
                 return PTR_ERR(gpio);
         }
 
-        ret = gpiod_direction_input(gpio);
-        if (ret)
-                return ret;
-
         ret = gpiod_to_irq(gpio);
 
         dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);