Re: [PATCH v1 02/15] Documentation: ABI: add wideband filter type to sysfs-bus-iio

From: Jonathan Santos
Date: Sat Jan 11 2025 - 17:50:30 EST


On 01/07, David Lechner wrote:
> On 1/7/25 9:24 AM, Jonathan Santos wrote:
> > The Wideband Low Ripple FIR filter is used for AD7768-1 Driver.
> > Document wideband filter option into filter_type_avaialable
>
> s/avaialable/available/
>
> > attribute.
> >
> > Signed-off-by: Jonathan Santos <Jonathan.Santos@xxxxxxxxxx>
> > ---
> > Documentation/ABI/testing/sysfs-bus-iio | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> > index f83bd6829285..c4c21a7bfba1 100644
> > --- a/Documentation/ABI/testing/sysfs-bus-iio
> > +++ b/Documentation/ABI/testing/sysfs-bus-iio
> > @@ -2291,6 +2291,8 @@ Description:
> > * "sinc3+pf2" - Sinc3 + device specific Post Filter 2.
> > * "sinc3+pf3" - Sinc3 + device specific Post Filter 3.
> > * "sinc3+pf4" - Sinc3 + device specific Post Filter 4.
> > + * "wideband" - FIR filter with wideband low ripple passband
>
> I think "fir" would be a more specific filter type name than "wideband". (i.e.
> there are wikipedia pages for sinc and FIR filters, but not one for "wideband"
> filters)
>

Isn't "fir" a bit too generic for this case? Since Wideband here is a class of a FIR filter.
Maybe something like "wideband-fir" or "fir-wideband" would work better?

> > + and sharp transition band.
> >
> > What: /sys/.../events/in_proximity_thresh_either_runningperiod
> > KernelVersion: 6.6
>