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iio: Add ABI documentation for illuminance

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has been in use for a long time, but never documented;
state that this measurement should be in lux (drivers may feel
different about this)

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Peter Meerwald 2014-02-05 16:54:00 +00:00 committed by Jonathan Cameron
parent 065b055dce
commit 994265f180
1 changed files with 9 additions and 0 deletions
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9
Documentation/ABI/testing/sysfs-bus-iio
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@ -895,6 +895,15 @@ Description:
on-chip EEPROM. After power-up or chip reset the device will
automatically load the saved configuration.
What: /sys/.../iio:deviceX/in_illuminanceY_input
What: /sys/.../iio:deviceX/in_illuminanceY_raw
What: /sys/.../iio:deviceX/in_illuminanceY_mean_raw
KernelVersion: 3.4
Contact: linux-iio@vger.kernel.org
Description:
Illuminance measurement, units after application of scale
and offset are lux.
What: /sys/.../iio:deviceX/in_intensityY_raw
What: /sys/.../iio:deviceX/in_intensityY_ir_raw
What: /sys/.../iio:deviceX/in_intensityY_both_raw