Re: [PATCH 3/3] iio: magnetometer: ak8975: Add gpio reset support

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On Mon, May 18, 2020 at 4:38 PM Jonathan Albrieux
<jonathan.albrieux@xxxxxxxxx> wrote:

> +       gpiod_set_value_cansleep(data->reset_gpiod, 1);

(1)

...

> +       /*
> +        * If reset pin is provided then will be set to high on power on
> +        * and to low on power off according to AK09911 datasheet
> +        */

Wording is confusing, perhaps you have to use 'asserted / deasserted'.

Btw, in (1) it's also "high" (asserted). I barely understand how it's
supposed to work in all cases?

> +       reset_gpiod = devm_gpiod_get_optional(&client->dev,
> +                                             "reset", GPIOD_OUT_HIGH);
> +       if (IS_ERR(reset_gpiod))
> +               return PTR_ERR(reset_gpiod);


-- 
With Best Regards,
Andy Shevchenko



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