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From: Fabio Estevam <festevam@gmail.com>
Date: Fri, 2 Sep 2016 13:16:34 -0300
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Subject: Re: [PATCH] iio: sx9500: add final devicetree support
To: Christoph Fritz <chf.fritz@googlemail.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
        Vlad Dogaru <ddvlad@gmail.com>,
        Hartmut Knaack <knaack.h@gmx.de>, linux-iio@vger.kernel.org,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
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On Fri, Sep 2, 2016 at 12:23 PM, Christoph Fritz
<chf.fritz@googlemail.com> wrote:

> What do you mean by "software command", to send a reset command by i2c?

Yes, by writing 0xDE into RegReset register.

>
> The reset GPIO is fetched in sx9500 here:
>
> See sx9500_gpio_probe():
> ...
>         data->gpiod_rst = devm_gpiod_get_index(dev, SX9500_GPIO_RESET,
>                                                0, GPIOD_OUT_HIGH);

but there is no code that actually reads the "reset-gpios" dt property.

Does your board work well without passing "reset-gpios" property?