Re: [PATCH v6 05/12] Documentation: ABI: IIO: Add sinc5+avg to the filter_type_available list

From: Jonathan Cameron
Date: Sun Jun 22 2025 - 10:09:59 EST


On Wed, 18 Jun 2025 14:36:51 -0300
Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> wrote:

> Add the sinc5+avg filter type to the list of possible values for the
> filter_type_available attribute.
>
> The sinc5+avg filter type is handled by the ad4170 driver.
>
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
> ---
> New patch in v6.
>
> Documentation/ABI/testing/sysfs-bus-iio | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index 3bc386995fb6..c1f657182ad8 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -2321,6 +2321,7 @@ Description:
> * "sinc3+pf3" - Sinc3 + device specific Post Filter 3.
> * "sinc3+pf4" - Sinc3 + device specific Post Filter 4.
> * "sinc5+pf1" - Sinc5 + device specific Post Filter 1.
> + * "sinc5+avg" - Sinc3 + averaging by 4.

Seems an unlikely description that something called sinc5 is in fact sinc3

> * "wideband" - filter with wideband low ripple passband
> and sharp transition band.
>