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Message-ID: <20210217083438.37865-2-alexandru.ardelean@analog.com>
Date: Wed, 17 Feb 2021 10:34:34 +0200
From: Alexandru Ardelean <alexandru.ardelean@...log.com>
To: <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
CC: <lars@...afoo.de>, <Michael.Hennerich@...log.com>,
<jic23@...nel.org>, <nuno.sa@...log.com>,
<dragos.bogdan@...log.com>,
Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v2 1/5] iio: Documentation: update definitions for bufferY and scan_elements
Since the new change to the IIO buffer infrastructure, the buffer/ and
scan_elements/ directories have been merged into bufferY/ to have some
attributes available per-buffer.
This change updates the ABI docs to reflect this change.
The hwfifo attributes are not updated, as for now these should be used
via the legacy buffer/ directory until they are moved into core.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
---
Documentation/ABI/testing/sysfs-bus-iio | 85 +++++++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index d957f5da5c04..f2a72d7fbacb 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1118,12 +1118,16 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/buffer/length
KernelVersion: 2.6.35
+What: /sys/bus/iio/devices/iio:deviceX/bufferY/length
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
Number of scans contained by the buffer.
What: /sys/bus/iio/devices/iio:deviceX/buffer/enable
KernelVersion: 2.6.35
+What: /sys/bus/iio/devices/iio:deviceX/bufferY/enable
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
Actually start the buffer capture up. Will start trigger
@@ -1131,11 +1135,16 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/scan_elements
KernelVersion: 2.6.37
+What: /sys/bus/iio/devices/iio:deviceX/buffeY
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
Directory containing interfaces for elements that will be
captured for a single triggered sample set in the buffer.
+ Since kernel 5.11 the scan_elements attributes are merged into
+ the bufferY directory, to be configurable per buffer.
+
What: /sys/.../iio:deviceX/scan_elements/in_accel_x_en
What: /sys/.../iio:deviceX/scan_elements/in_accel_y_en
What: /sys/.../iio:deviceX/scan_elements/in_accel_z_en
@@ -1164,6 +1173,34 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_en
What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_en
What: /sys/.../iio:deviceX/scan_elements/in_proximity_en
KernelVersion: 2.6.37
+What: /sys/.../iio:deviceX/bufferY/in_accel_x_en
+What: /sys/.../iio:deviceX/bufferY/in_accel_y_en
+What: /sys/.../iio:deviceX/bufferY/in_accel_z_en
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_en
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_en
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_en
+What: /sys/.../iio:deviceX/bufferY/in_magn_x_en
+What: /sys/.../iio:deviceX/bufferY/in_magn_y_en
+What: /sys/.../iio:deviceX/bufferY/in_magn_z_en
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_en
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_en
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_en
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_en
+What: /sys/.../iio:deviceX/bufferY/in_timestamp_en
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_en
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_en
+What: /sys/.../iio:deviceX/bufferY/in_voltageY-voltageZ_en
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_en
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_en
+What: /sys/.../iio:deviceX/bufferY/in_voltage_i_en
+What: /sys/.../iio:deviceX/bufferY/in_voltage_q_en
+What: /sys/.../iio:deviceX/bufferY/in_incli_x_en
+What: /sys/.../iio:deviceX/bufferY/in_incli_y_en
+What: /sys/.../iio:deviceX/bufferY/in_pressureY_en
+What: /sys/.../iio:deviceX/bufferY/in_pressure_en
+What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_en
+What: /sys/.../iio:deviceX/bufferY/in_proximity_en
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
Scan element control for triggered data capture.
@@ -1185,6 +1222,23 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_type
What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_type
What: /sys/.../iio:deviceX/scan_elements/in_proximity_type
KernelVersion: 2.6.37
+What: /sys/.../iio:deviceX/bufferY/in_accel_type
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_type
+What: /sys/.../iio:deviceX/bufferY/in_magn_type
+What: /sys/.../iio:deviceX/bufferY/in_incli_type
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_type
+What: /sys/.../iio:deviceX/bufferY/in_voltage_type
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_type
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_type
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_type
+What: /sys/.../iio:deviceX/bufferY/in_voltage_i_type
+What: /sys/.../iio:deviceX/bufferY/in_voltage_q_type
+What: /sys/.../iio:deviceX/bufferY/in_timestamp_type
+What: /sys/.../iio:deviceX/bufferY/in_pressureY_type
+What: /sys/.../iio:deviceX/bufferY/in_pressure_type
+What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_type
+What: /sys/.../iio:deviceX/bufferY/in_proximity_type
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
Description of the scan element data storage within the buffer
@@ -1241,6 +1295,33 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_index
What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_index
What: /sys/.../iio:deviceX/scan_elements/in_proximity_index
KernelVersion: 2.6.37
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_index
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_index
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_index
+What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_index
+What: /sys/.../iio:deviceX/bufferY/in_voltage_i_index
+What: /sys/.../iio:deviceX/bufferY/in_voltage_q_index
+What: /sys/.../iio:deviceX/bufferY/in_accel_x_index
+What: /sys/.../iio:deviceX/bufferY/in_accel_y_index
+What: /sys/.../iio:deviceX/bufferY/in_accel_z_index
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_index
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_index
+What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_index
+What: /sys/.../iio:deviceX/bufferY/in_magn_x_index
+What: /sys/.../iio:deviceX/bufferY/in_magn_y_index
+What: /sys/.../iio:deviceX/bufferY/in_magn_z_index
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_index
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_index
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_index
+What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_index
+What: /sys/.../iio:deviceX/bufferY/in_incli_x_index
+What: /sys/.../iio:deviceX/bufferY/in_incli_y_index
+What: /sys/.../iio:deviceX/bufferY/in_timestamp_index
+What: /sys/.../iio:deviceX/bufferY/in_pressureY_index
+What: /sys/.../iio:deviceX/bufferY/in_pressure_index
+What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_index
+What: /sys/.../iio:deviceX/bufferY/in_proximity_index
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
A single positive integer specifying the position of this
@@ -1455,6 +1536,8 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/buffer/watermark
KernelVersion: 4.2
+What: /sys/bus/iio/devices/iio:deviceX/bufferY/watermark
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
A single positive integer specifying the maximum number of scan
@@ -1473,6 +1556,8 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/buffer/data_available
KernelVersion: 4.16
+What: /sys/bus/iio/devices/iio:deviceX/bufferY/data_available
+KernelVersion: 5.11
Contact: linux-iio@...r.kernel.org
Description:
A read-only value indicating the bytes of data available in the
--
2.17.1
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