On Thu, 20 Feb 2025 15:28:09 -0600 David Lechner <dlechner@xxxxxxxxxxxx> wrote: > On 2/12/25 12:16 PM, Jonathan Santos wrote: > > The Wideband Low Ripple filter is used for AD7768-1 Driver. > > Document wideband filter option into filter_type_available > > attribute. > > > > Signed-off-by: Jonathan Santos <Jonathan.Santos@xxxxxxxxxx> > > --- > > v3 Changes: > > * None, since we still did not agree on a better name for this filter type. > > > > I'm convinced at this point that "wideband" is fine. > > > v2 Changes: > > * Removed FIR mentions. > > --- > > 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..9b879e7732cd 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" - filter with wideband low ripple passband > > + and sharp transition band. > > The description could perhaps be made a bit more generic though > instead of using specifics from the AD7768-1 datasheet. Something > along the lines of Jonathan's 'flattish to a wide range of frequencies' > description. That is sort of what what low ripple passband and sharp transition band means but with technical (sounding :) terms. The only missing bit is it isn't a narrow pass filter. > > > > > What: /sys/.../events/in_proximity_thresh_either_runningperiod > > KernelVersion: 6.6 >
