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Documentation: ABI: add sinc1 and sinc5+pf1 filter

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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>
This commit is contained in:
Antoniu Miclaus
2025-06-09 07:45:35 +01:00
committed by Jonathan Cameron
parent 6b31ba1811
commit 1543572fff
1 changed files with 4 additions and 0 deletions
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Documentation/ABI/testing/sysfs-bus-iio
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@@ -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.