linux-kernel - Re: [PATCH] iio: improve IIO_CONCENTRATION channel type description

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Message-ID: <CAJCx=gkXrNV1pHHBYFcKUttkN=Vc9i_1fOh4stCG3f_GWVJfYA@mail.gmail.com>
Date:   Mon, 1 Jun 2020 14:19:43 -0700
From:   Matt Ranostay <matt.ranostay@...sulko.com>
To:     Tomasz Duszynski <tomasz.duszynski@...akon.com>
Cc:     "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Matt Ranostay <mranostay@...il.com>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH] iio: improve IIO_CONCENTRATION channel type description

On Mon, Jun 1, 2020 at 9:18 AM Tomasz Duszynski
<tomasz.duszynski@...akon.com> wrote:
>
> IIO_CONCENTRATION together with INFO_RAW specifier is used for reporting
> raw concentrations of pollutants. Raw value should be meaningless
> before being properly scaled. Because of that description shouldn't
> mention raw value unit whatsoever.
>
> Fix this by rephrasing existing description so it follows conventions
> used throughout IIO ABI docs.

Acked-by: Matt Ranostay <matt.ranostay@...sulko.com>

>
> Fixes: 8ff6b3bc94930 ("iio: chemical: Add IIO_CONCENTRATION channel type")
> Signed-off-by: Tomasz Duszynski <tomasz.duszynski@...akon.com>
> ---
>  Documentation/ABI/testing/sysfs-bus-iio | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index d3e53a6d8331..5c62bfb0f3f5 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -1569,7 +1569,8 @@ What:             /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw
>  KernelVersion: 4.3
>  Contact:       linux-iio@...r.kernel.org
>  Description:
> -               Raw (unscaled no offset etc.) percentage reading of a substance.
> +               Raw (unscaled no offset etc.) reading of a substance. Units
> +               after application of scale and offset are percents.
>
>  What:          /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
>  What:          /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw
> --
> 2.26.2
>