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cubelinux-kernel/Documentation/ABI/testing/sysfs-bus-iio-health-afe440x
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_raw
Date: May 2016
KernelVersion:
Contact: Andrew F. Davis <afd@ti.com>
Description:
Get measured values from the ADC for these stages. Y is the
specific stage number corresponding to datasheet stage names
as follows:
== ==========
1 LED2
2 ALED2/LED3
3 LED1
4 ALED1/LED4
== ==========
Note that channels 5 and 6 represent LED2-ALED2 and LED1-ALED1
respectively which simply helper channels containing the
calculated difference in the value of stage 1 - 2 and 3 - 4.
The values are expressed in 24-bit twos complement.
The LED current for the stage is controlled via
out_currentY_raw.
What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_offset
Date: May 2016
KernelVersion:
Contact: Andrew F. Davis <afd@ti.com>
Description:
Get and set the offset cancellation DAC setting for these
stages. The values are expressed in 5-bit sign-magnitude.
What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_resistance
What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_capacitance
Date: May 2016
KernelVersion:
Contact: Andrew F. Davis <afd@ti.com>
Description:
Get and set the resistance and the capacitance settings for the
Transimpedance Amplifier during the associated stage.