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doc: iio: Document intensity scale as poorly defined 

Add comment about intensity scale being poorly defined and
having no proper units.

Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20231207134200.329174-1-marex@denx.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Marek Vasut 2023-12-07 14:41:50 +01:00 committed by Jonathan Cameron
parent 464cb18758
commit 608531bd86
1 changed files with 3 additions and 1 deletions
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Documentation/ABI/testing/sysfs-bus-iio
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@ -618,7 +618,9 @@ KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
If a discrete set of scale values is available, they
are listed in this attribute.
are listed in this attribute. Unlike illumination,
multiplying intensity by intensity_scale does not
yield value with any standardized unit.
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain
What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain