iio: adis: set GPIO reset pin direction

Set reset pin direction to output as the reset pin needs to be an active
low output pin.

Co-developed-by: Hannu Hartikainen <hannu@hrtk.in>
Signed-off-by: Hannu Hartikainen <hannu@hrtk.in>
Signed-off-by: Antti Keränen <detegr@rbx.email>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Fixes: ecb010d44108 ("iio: imu: adis: Refactor adis_initial_startup")
Link: https://lore.kernel.org/r/20210708095425.13295-1-detegr@rbx.email
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index a5b421f..b9a06ca 100644 (file)
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -411,12 +411,11 @@ int __adis_initial_startup(struct adis *adis)
        int ret;
 
        /* check if the device has rst pin low */
-       gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_ASIS);
+       gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_OUT_HIGH);
        if (IS_ERR(gpio))
                return PTR_ERR(gpio);
 
        if (gpio) {
-               gpiod_set_value_cansleep(gpio, 1);
                msleep(10);
                /* bring device out of reset */
                gpiod_set_value_cansleep(gpio, 0);