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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/ABI/testing/sysfs-bus-iio-health-afe440x | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio-health-afe440x')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-health-afe440x | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-health-afe440x b/Documentation/ABI/testing/sysfs-bus-iio-health-afe440x new file mode 100644 index 000000000..66b621f10 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-health-afe440x @@ -0,0 +1,45 @@ +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. + +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. + +What: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw +Date: May 2016 +KernelVersion: +Contact: Andrew F. Davis <afd@ti.com> +Description: + Get and set the LED current for the specified LED active during + this stage. Y is the specific stage number. |