Re: [PATCH v2 3/3] Input: ektf2127 - add ektf2232 support

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On Mon, May 6, 2024 at 12:48 AM Andreas Kemnade <andreas@xxxxxxxxxxxx> wrote:
>
> The chip is similar, but has status bits at different positions,
> so use the correct bits.

...

> @@ -46,6 +47,11 @@ struct ektf2127_ts {
>         struct input_dev *input;
>         struct gpio_desc *power_gpios;
>         struct touchscreen_properties prop;
> +       int status_shift;
> +};
> +
> +struct ektf2127_i2c_chip_data {
> +       int status_shift;
>  };
>
>  static void ektf2127_parse_coordinates(const u8 *buf, unsigned int touch_count,

I'm wondering if you are using --histogram diff algo when preparing the patches.

...

> +       chip_data = device_get_match_data(&client->dev);
> +       if (!chip_data)
> +               chip_data = (const struct ektf2127_i2c_chip_data *)id->driver_data;
> +       if (!chip_data) {
> +               dev_err(&client->dev, "missing chip data\n");
> +               return -EINVAL;

First of all, there is a special combined API for this, please use it
instead. Second, use dev_err_probe().

> +       }

...

>  #ifdef CONFIG_OF

Side note: Ideally we should kill this ugliness. But it can be done later on.


--
With Best Regards,
Andy Shevchenko





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