Documentation: ABI: add sinc1 and sinc5+pf1 filter

Add sinc1 and sinc5+pf1 filter types used for ad4080 device.

Include these two options into the filter_type available attribute.

Add also the option for filter disabled.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250516082630.8236-11-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 190bfcc1e836b69622692d7c056c0092e00f1a9b..ef52c427a015cf47bb9847782e13afbee01e9f31 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2278,6 +2278,9 @@ Description:
                Reading returns a list with the possible filter modes. Options
                for the attribute:
 
+               * "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
@@ -2293,6 +2296,7 @@ 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.
                * "wideband" - filter with wideband low ripple passband
                  and sharp transition band.