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Thu, 26 Sep 2024 09:55:05 -0400 From: Ramona Alexandra Nechita To: Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nuno Sa , David Lechner , Andy Shevchenko , Marcelo Schmitt , Olivier Moysan , Dumitru Ceclan , Matteo Martelli , =?UTF-8?q?Jo=C3=A3o=20Paulo=20Gon=C3=A7alves?= , Alisa-Dariana Roman , Ramona Alexandra Nechita , Marius Cristea , , , Subject: [PATCH v6 2/3] Documentation: ABI: added filter mode doc in sysfs-bus-iio Date: Thu, 26 Sep 2024 16:53:56 +0300 Message-ID: <20240926135418.8342-3-ramona.nechita@analog.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240926135418.8342-1-ramona.nechita@analog.com> References: <20240926135418.8342-1-ramona.nechita@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: STm4YJh1OHft1HdZp6hJvRuArssyzTxM X-Proofpoint-GUID: STm4YJh1OHft1HdZp6hJvRuArssyzTxM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 suspectscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409260096 Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Andy Shevchenko --- 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/te= sting/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. =20 +What: /sys/bus/iio/devices/iio:deviceX/filter_type_available +What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_filter_mode_ava= ilable +KernelVersion: 6.1 +Contact: linux-iio@vger.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@vger.kernel.org diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 b/Documenta= tion/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_ava= ilable -KernelVersion: 6.2 -Contact: linux-iio@vger.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@vger.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 L: linux-iio@vger.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 =20 --=20 2.43.0