linux-kernel - [PATCH v2 4/5] Documentation: ABI: iio: add sinc4+iir and dsp types

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Message-ID: <20250721112455.23948-4-antoniu.miclaus@analog.com>
Date: Mon, 21 Jul 2025 14:24:44 +0300
From: Antoniu Miclaus <antoniu.miclaus@...log.com>
To: <jic23@...nel.org>, <robh@...nel.org>, <conor+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Antoniu Miclaus <antoniu.miclaus@...log.com>
Subject: [PATCH v2 4/5] Documentation: ABI: iio: add sinc4+iir and dsp types

Add two new filter types to the sysfs-bus-iio ABI documentation:
- "sinc4+iir" for Sinc4 + IIR Low Pass Filter
- "dsp" for Digital Signal Processor filtering

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
---
 new in v2.
 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 0948611227a8..9f51aff4c3e8 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2337,6 +2337,8 @@ Description:
 		* "sinc5+pf1" - Sinc5 + device specific Post Filter 1.
 		* "wideband" - filter with wideband low ripple passband
 		  and sharp transition band.
+		* "sinc4+iir" - Sinc4 + IIR Low Pass Filter.
+		* "dsp" - Digital Signal Processor filtering.
 
 What:		/sys/bus/iio/devices/iio:deviceX/filter_type
 What:		/sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_type
-- 
2.49.0