On 5/9/25 5:50 AM, Antoniu Miclaus wrote:
> Add sinc1 and sinc5+pf1 filter types used for ad4080 device.
>
> Add these two options into the filter_type available attribute.
>
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
> ---
> Documentation/ABI/testing/sysfs-bus-iio | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index b8838cb92d38..2dfb74b5a990 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -2275,6 +2275,8 @@ Description:
> Reading returns a list with the possible filter modes. Options
> for the attribute:
>
Should also add:
* "none" - Filter is disabled/bypassed.
> + * "sinc1" - The digital sinc1 filter. Fast 1st
> + conversion time. Poor noise performance.
> * "sinc3" - The digital sinc3 filter. Moderate 1st
> conversion time. Good noise performance.
> * "sinc4" - Sinc 4. Excellent noise performance. Long
> @@ -2290,6 +2292,7 @@ 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.
> + * "sinc5+pf1" - Sinc5 + device specific Post Filter 1.
>
> What: /sys/bus/iio/devices/iio:deviceX/filter_type
> What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_type