Re: [PATCH 2/2] iio: adc: add max11205 adc driver

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On Wed, Aug 24, 2022 at 3:56 PM Ramona Bolboaca
<ramona.bolboaca@xxxxxxxxxx> wrote:
>
> Adding support for max11205 16-bit single-channel ultra-low power
> delta-sigma adc.
> The MAX11205 is compatible with the 2-wire interface and uses
> SCLK and RDY/DOUT for serial communica- tions. In this mode, all
> controls are implemented by tim- ing the high or low phase of the SCLK.
> The 2-wire serial interface only allows for data to be read out through the
> RDY/DOUT output.

Is there any existing driver that can be extended to support this chip?

...

> +       st->chip_info = device_get_match_data(&spi->dev);

And if chip_info is NULL?

...

> +static void max11205_remove(struct spi_device *spi)
> +{
> +       struct iio_dev *indio_dev = spi_get_drvdata(spi);
> +       struct max11205_state *st = iio_priv(indio_dev);

> +       iio_device_unregister(indio_dev);
> +       regulator_disable(st->vref);
> +}

Have you tested module removal?

> +

...

> +static const struct chip_info max11205_chip_info[] = {
> +       [TYPE_MAX11205A] = {
> +               .out_data_rate = MAX11205A_OUT_DATA_RATE,

> +               .name = "max11205a"

+ Comma

> +       },
> +       [TYPE_MAX11205B] = {
> +               .out_data_rate = MAX11205B_OUT_DATA_RATE,

> +               .name = "max11205b"

Ditto.

> +       }

Ditto.

> +};

...

> +

Redundant blank line.

> +module_spi_driver(max11205_spi_driver);

-- 
With Best Regards,
Andy Shevchenko



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