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Message-Id: <20241127-ad411x_calibration-v2-2-66412dac35aa@baylibre.com> Date: Wed, 27 Nov 2024 10:06:14 +0100 From: Guillaume Ranquet <granquet@...libre.com> To: Lars-Peter Clausen <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>, Jonathan Cameron <jic23@...nel.org> Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, Guillaume Ranquet <granquet@...libre.com> Subject: [PATCH v2 2/2] iio: adc: ad-sigma-delta: Document ABI for sigma delta adc Add common calibration nodes for sigma delta adc. Signed-off-by: Guillaume Ranquet <granquet@...libre.com> --- .../ABI/testing/sysfs-bus-iio-adc-ad-sigma-delta | 23 +++++++++++++++++++++ Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 | 24 ---------------------- 2 files changed, 23 insertions(+), 24 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad-sigma-delta b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad-sigma-delta new file mode 100644 index 0000000000000000000000000000000000000000..c2c55a966163736aea8d46fc5089c08dac747b84 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad-sigma-delta @@ -0,0 +1,23 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration +KernelVersion: +Contact: linux-iio@...r.kernel.org +Description: + This attribute, if available, initiates the system calibration procedure. This is done on a + single channel at a time. Write '1' to start the calibration. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available +KernelVersion: +Contact: linux-iio@...r.kernel.org +Description: + This attribute, if available, returns a list with the possible calibration modes. + There are two available options: + "zero_scale" - calibrate to zero scale + "full_scale" - calibrate to full scale + +What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode +KernelVersion: +Contact: linux-iio@...r.kernel.org +Description: + This attribute, if available, sets up the calibration mode used in the system calibration + procedure. Reading returns the current calibration mode. + Writing sets the system calibration mode. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 index f8315202c8f0df2bd4b7216f5cf8d3c2780fcf3f..28be1cabf1124ac7593392e17e4759ddfac829e8 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 @@ -19,33 +19,9 @@ Description: the bridge can be disconnected (when it is not being used using the bridge_switch_en attribute. -What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration -KernelVersion: -Contact: linux-iio@...r.kernel.org -Description: - Initiates the system calibration procedure. This is done on a - single channel at a time. Write '1' to start the calibration. - What: /sys/bus/iio/devices/iio:deviceX/in_voltage2-voltage2_shorted_raw KernelVersion: Contact: linux-iio@...r.kernel.org Description: Measure voltage from AIN2 pin connected to AIN(+) and AIN(-) shorted. - -What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available -KernelVersion: -Contact: linux-iio@...r.kernel.org -Description: - Reading returns a list with the possible calibration modes. - There are two available options: - "zero_scale" - calibrate to zero scale - "full_scale" - calibrate to full scale - -What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode -KernelVersion: -Contact: linux-iio@...r.kernel.org -Description: - Sets up the calibration mode used in the system calibration - procedure. Reading returns the current calibration mode. - Writing sets the system calibration mode. -- 2.47.0
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