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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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42776c14c6
This patch will add a system calibration attribute for each channel. Using this option the user will have the ability to calibrate each channel for zero scale and full scale. It uses the iio_chan_spec_ext_info and IIO_ENUM to implement the functionality. Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
What: /sys/bus/iio/devices/iio:deviceX/ac_excitation_en
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KernelVersion:
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Contact: linux-iio@vger.kernel.org
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Description:
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Reading gives the state of AC excitation.
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Writing '1' enables AC excitation.
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What: /sys/bus/iio/devices/iio:deviceX/bridge_switch_en
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KernelVersion:
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Contact: linux-iio@vger.kernel.org
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Description:
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This bridge switch is used to disconnect it when there is a
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need to minimize the system current consumption.
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Reading gives the state of the bridge switch.
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Writing '1' enables the bridge switch.
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What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration
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KernelVersion:
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Contact: linux-iio@vger.kernel.org
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Description:
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Initiates the system calibration procedure. This is done on a
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single channel at a time. Write '1' to start the calibration.
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What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available
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KernelVersion:
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Contact: linux-iio@vger.kernel.org
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Description:
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Reading returns a list with the possible calibration modes.
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There are two available options:
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"zero_scale" - calibrate to zero scale
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"full_scale" - calibrate to full scale
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What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode
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KernelVersion:
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Contact: linux-iio@vger.kernel.org
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Description:
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Sets up the calibration mode used in the system calibration
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procedure. Reading returns the current calibration mode.
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Writing sets the system calibration mode.
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