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Message-ID: <20240926135418.8342-3-ramona.nechita@analog.com>
Date: Thu, 26 Sep 2024 16:53:56 +0300
From: Ramona Alexandra Nechita <ramona.nechita@...log.com>
To: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>, Nuno Sa <nuno.sa@...log.com>,
David Lechner
<dlechner@...libre.com>,
Andy Shevchenko <andy@...nel.org>,
Marcelo Schmitt
<marcelo.schmitt@...log.com>,
Olivier Moysan <olivier.moysan@...s.st.com>,
Dumitru Ceclan <mitrutzceclan@...il.com>,
Matteo Martelli
<matteomartelli3@...il.com>,
João Paulo Gonçalves
<joao.goncalves@...adex.com>,
Alisa-Dariana Roman <alisadariana@...il.com>,
Ramona Alexandra Nechita <ramona.nechita@...log.com>,
Marius Cristea
<marius.cristea@...rochip.com>,
<linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH v6 2/3] Documentation: ABI: added filter mode doc in sysfs-bus-iio
The filter mode / filter type property is used for ad4130
and ad7779 drivers, therefore the ABI doc file for ad4130
was removed, merging both of them in the sysfs-bus-iio.
Since one of the drivers is available from 6.1, the version
has been set to 6.1 for these attributes.
Signed-off-by: Ramona Alexandra Nechita <ramona.nechita@...log.com>
---
Documentation/ABI/testing/sysfs-bus-iio | 22 +++++++++
.../ABI/testing/sysfs-bus-iio-adc-ad4130 | 46 -------------------
MAINTAINERS | 1 -
3 files changed, 22 insertions(+), 47 deletions(-)
delete mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 345d58535dc9..aac41e69aa43 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2265,6 +2265,28 @@ Description:
An example format is 16-bytes, 2-digits-per-byte, HEX-string
representing the sensor unique ID number.
+What: /sys/bus/iio/devices/iio:deviceX/filter_type_available
+What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_filter_mode_available
+KernelVersion: 6.1
+Contact: linux-iio@...r.kernel.org
+Description:
+ Reading returns a list with the possible filter modes. Options
+ for the attribute:
+ * "sinc3" - The digital sinc3 filter. Moderate 1st conversion time.
+ Good noise performance.
+ * "sinc4" - Sinc 4. Excellent noise performance. Long
+ 1st conversion time.
+ * "sinc5" - The digital sinc5 filter. Excellent noise performance
+ * "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion
+ time.
+ * "sinc3+rej60" - Sinc3 + 60Hz rejection.
+ * "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion
+ time.
+ * "sinc3+pf1" - Sinc3 + device specific Post Filter 1.
+ * "sinc3+pf2" - Sinc3 + device specific Post Filter 2.
+ * "sinc3+pf3" - Sinc3 + device specific Post Filter 3.
+ * "sinc3+pf4" - Sinc3 + device specific Post Filter 4.
+
What: /sys/.../events/in_proximity_thresh_either_runningperiod
KernelVersion: 6.6
Contact: linux-iio@...r.kernel.org
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130
deleted file mode 100644
index f24ed6687e90..000000000000
--- a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130
+++ /dev/null
@@ -1,46 +0,0 @@
-What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_filter_mode_available
-KernelVersion: 6.2
-Contact: linux-iio@...r.kernel.org
-Description:
- Reading returns a list with the possible filter modes.
-
- * "sinc4" - Sinc 4. Excellent noise performance. Long
- 1st conversion time. No natural 50/60Hz rejection.
-
- * "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion
- time.
-
- * "sinc3" - Sinc3. Moderate 1st conversion time.
- Good noise performance.
-
- * "sinc3+rej60" - Sinc3 + 60Hz rejection. At a sampling
- frequency of 50Hz, achieves simultaneous 50Hz and 60Hz
- rejection.
-
- * "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion
- time. Best used with a sampling frequency of at least
- 216.19Hz.
-
- * "sinc3+pf1" - Sinc3 + Post Filter 1. 53dB rejection @
- 50Hz, 58dB rejection @ 60Hz.
-
- * "sinc3+pf2" - Sinc3 + Post Filter 2. 70dB rejection @
- 50Hz, 70dB rejection @ 60Hz.
-
- * "sinc3+pf3" - Sinc3 + Post Filter 3. 99dB rejection @
- 50Hz, 103dB rejection @ 60Hz.
-
- * "sinc3+pf4" - Sinc3 + Post Filter 4. 103dB rejection @
- 50Hz, 109dB rejection @ 60Hz.
-
-What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_mode
-KernelVersion: 6.2
-Contact: linux-iio@...r.kernel.org
-Description:
- Set the filter mode of the differential channel. When the filter
- mode changes, the in_voltageY-voltageZ_sampling_frequency and
- in_voltageY-voltageZ_sampling_frequency_available attributes
- might also change to accommodate the new filter mode.
- If the current sampling frequency is out of range for the new
- filter mode, the sampling frequency will be changed to the
- closest valid one.
diff --git a/MAINTAINERS b/MAINTAINERS
index 417c6751c0dc..3e72010b45a3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1228,7 +1228,6 @@ M: Cosmin Tanislav <cosmin.tanislav@...log.com>
L: linux-iio@...r.kernel.org
S: Supported
W: https://ez.analog.com/linux-software-drivers
-F: Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130
F: Documentation/devicetree/bindings/iio/adc/adi,ad4130.yaml
F: drivers/iio/adc/ad4130.c
--
2.43.0
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