From: Antti Keränen <detegr@rbx.email>
commit 7e77ef8b8d600cf8448a2bbd32f682c28884551f upstream.
Set reset pin direction to output as the reset pin needs to be an active
low output pin.
Co-developed-by: Hannu Hartikainen <hannu@xxxxxxx>
Signed-off-by: Hannu Hartikainen <hannu@xxxxxxx>
Signed-off-by: Antti Keränen <detegr@rbx.email>
Reviewed-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
Fixes: ecb010d44108 ("iio: imu: adis: Refactor adis_initial_startup")
Link: https://lore.kernel.org/r/20210708095425.13295-1-detegr@rbx.email
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/imu/adis.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -415,12 +415,11 @@ int __adis_initial_startup(struct 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);
