On Thu, 8 Jul 2021 12:54:29 +0300
Antti Keränen <detegr@rbx.email> wrote:
> 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>
So this sits on the boundary of whether it is a fix or not.
Do we want this to go into rc1 + stable?
If so a fixes tag would be great.
Thanks,
Jonathan
> ---
> Removed unnecessary toggling of the pin as requested by Lars-Peter. I
> missed out on the conversation, but I agree this is better.
>
> drivers/iio/imu/adis.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
> index 319b64b2fd88..f8b7837d8b8f 100644
> --- a/drivers/iio/imu/adis.c
> +++ b/drivers/iio/imu/adis.c
> @@ -415,12 +415,11 @@ 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);
