Re: [PATCH] iio: afe: iio-rescale: Support processed channels

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On Mon, Nov 2, 2020 at 12:22 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:

> It happens that an ADC will only provide raw or processed
> voltage conversion channels. (adc/ab8500-gpadc.c).
> On the Samsung GT-I9070 this is used for a light sensor
> and current sense amplifier so we need to think of something.
>
> The idea is to allow processed channels and scale them
> with 1/1 and then the rescaler can modify the result
> on top.
>
> Cc: Peter Rosin <peda@xxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Any comments on this? The reason the AB8500 does not
provide any scaling is that it is not linear so what can I do.
Processed is what we can provide...

Yours,
Linus Walleij



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