Re: [RFC][PATCH] hwmon: (ina2xx) Improve current and power reading precision

From: Nicolin Chen
Date: Thu Jan 17 2019 - 18:16:31 EST


Hi Guenter,

On Thu, Jan 17, 2019 at 03:13:23PM -0800, Guenter Roeck wrote:

> I have one claim stating that your change won't make a difference,
> and your claim that it would. That leaves me with no choice but to
> spend a large amount of time with the datasheet, and possibly with
> my evaluation boards, trying to find out who is correct. Unfortunately,
> time is scarce to come by those days. I would very much prefer for
> you folks to sort out your differences and present me with a single
> opinion.
>
> Long term the best solution would really be to replace the hwmon
> driver with the iio driver and use the iio-hwmon bridge. The ina2xx
> driver doesn't support limits, so there is no real benefit of using
> the hwmon driver over the iio driver, at least assuming that the
> iio driver supports all the attributes. So maybe you should make your
> case for the changes in the iio driver.

Thanks for the input. Let's drop this hwmon change then.