Re: [PATCH 2/8] iio: adc: ad7476: Simplify scale handling

[Andy Shevchenko <andriy.shevchenko@intel.com>]

On Wed, Aug 06, 2025 at 10:03:07AM +0300, Matti Vaittinen wrote:
> The ad7476 driver supports variants with different amount of supply
> regulators. On some variants there is only VCC, which is used as a
> reference voltage. Others have separate VREF regulator, and some rely on
> internal VREF. Some have both internal VREF and option to connect
> external one.
> 
> The ad7476 driver reads the regulator voltage only when the user asks to
> get the scale. This means the driver needs to do some dancing while
> picking the correct reference regulator (or internal reference), and
> store it for the later use.

> According to the discussion:
> https://lore.kernel.org/linux-iio/20250331122247.05c6b09d@jic23-huawei/

This may be made a Link tag

According to the discussion [1] ...
...
Link: $URL #1

> variable voltage references are rare, making it hard to justify the
> added complexity for supporting those.
> 
> Drop the support for the variable voltage references and simplify things
> by using the managed regulator get and enable interfaces.

-- 
With Best Regards,
Andy Shevchenko