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SubjectRe: [v2 02/10] iio: document linear acceleration modifiers
Il giorno gio 28 ott 2021 alle ore 12:35 Jonathan Cameron
<jic23@kernel.org> ha scritto:
>
> On Thu, 28 Oct 2021 12:18:32 +0200
> Andrea Merello <andrea.merello@gmail.com> wrote:
>
> > This patch introduces ABI documentation for new iio modifiers used for
> > reporting "linear acceleration" measures.
> >
> > Signed-off-by: Andrea Merello <andrea.merello@iit.it>
> > ---
> > Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> > index 6ad47a67521c..5147a00bf24a 100644
> > --- a/Documentation/ABI/testing/sysfs-bus-iio
> > +++ b/Documentation/ABI/testing/sysfs-bus-iio
> > @@ -1957,3 +1957,11 @@ Description:
> > Specify the percent for light sensor relative to the channel
> > absolute value that a data field should change before an event
> > is generated. Units are a percentage of the prior reading.
> > +
> > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_x_raw
> > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_y_raw
> > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_z_raw
> > +KernelVersion: 5.15
> > +Contact: linux-iio@vger.kernel.org
> > +Description:
> > + Raw (unscaled) linear acceleration readings.
>
> Probably need more information that this. What element is being 'removed' from
> a normal acceleration measurement? What are units after application of offset and
> scale? Can cross refer to the in_accel_x_raw for that info if you like.

OK. So, may I just state something like "As per in_accel_X_raw
attributes, but minus the gravity acceleration" ?

> Also, but them immediately after the block with the in_accel_x_raw etc

OK

> The organization fo that file needs a rethink but let us try to avoid making
> it worse in the meeantime!
>
> Jonathan
>
>

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