Re: [PATCH v5 06/13] iio: dac: ds4424: use device match data for chip info
From: Andy Shevchenko
Date: Wed Feb 04 2026 - 09:20:53 EST
On Wed, Feb 04, 2026 at 03:00:38PM +0100, Oleksij Rempel wrote:
> Refactor the driver to use device match data instead of checking ID enums
> in a switch statement.
>
> Define a `ds4424_chip_info` structure to hold variant-specific attributes
> (currently just the channel count) and attach it directly to the I2C and
> OF device ID tables.
>
> This simplifies the probe function and makes it easier to add support for
> new variants like DS4402/DS4404.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
with a hope that we get rid an I²C ID requirement at some point.
...
> +struct ds4424_chip_info {
> + u8 num_channels;
If you wish, you can provide name here that will go to ->name field.
Linker dedups string literals, so it will be just an additional runtime
pointer.
> +};
--
With Best Regards,
Andy Shevchenko