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From: Linus Walleij <linus.walleij@linaro.org>
To: Jonathan Cameron <jic23@kernel.org>,
	linux-iio <linux-iio@vger.kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Peter Rosin <peda@axentia.se>
Subject: Re: [PATCH] iio: afe: iio-rescale: Support processed channels
Date: Sun, 15 Nov 2020 12:21:39 +0100	[thread overview]
Message-ID: <CACRpkdacs=6QxjGbK4MbV0ib8rMn2gxcFr9AX+n1FmXFn=JZzQ@mail.gmail.com> (raw)
In-Reply-To: <20201101232211.1194304-1-linus.walleij@linaro.org>

On Mon, Nov 2, 2020 at 12:22 AM Linus Walleij <linus.walleij@linaro.org> 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@axentia.se>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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

  reply	other threads:[~2020-11-15 11:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-01 23:22 [PATCH] iio: afe: iio-rescale: Support processed channels Linus Walleij
2020-11-15 11:21 ` Linus Walleij [this message]
2020-11-15 17:44 ` Jonathan Cameron
2020-11-16  8:18   ` Peter Rosin
2020-12-13 12:12     ` Jonathan Cameron
2020-12-12 12:26 ` Linus Walleij
2020-12-12 23:22   ` Peter Rosin
2020-12-13 12:16     ` Jonathan Cameron
2020-12-14  8:34       ` Peter Rosin
2020-12-14 15:07         ` Jonathan Cameron
2020-12-14 15:30           ` Peter Rosin
2020-12-14 16:34             ` Jonathan Cameron
2021-01-04 14:45               ` Linus Walleij
2021-01-04 17:11                 ` Jonathan Cameron
2021-01-04 18:09                   ` Peter Rosin
2020-12-13 15:16 ` Andy Shevchenko

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