mirror of
https://github.com/torvalds/linux
synced 2024-07-22 11:10:46 +00:00
cff8431bf4
This one is challenging as both the places this appears in specific drivers are making 'unusual' uses of what looks like a simple output current channel. As a side note, this was particular bit of ABI occurs in other drivers where the use is much more straight forward e.g. dac/ad5421 This patch attempts to make a best effort of adding it to the main docs but retaining enough information. Both of these drivers probably need specific documents being written to describe their unusual interfaces, but those should be in the main documentation, not under Documentation/ABI. That is a non trivial job so left for another time. Fixes $ scripts/get_abi.pl validate Warning: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw is defined 2 times: ./Documentation/ABI/testing/sysfs-bus-iio-light-lm3533-als:43 ./Documentation/ABI/testing/sysfs-bus-iio-health-afe440x:38 Reported-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20210117153816.696693-5-jic23@kernel.org
57 lines
1.8 KiB
Plaintext
57 lines
1.8 KiB
Plaintext
What: /sys/.../events/in_illuminance0_thresh_either_en
|
|
Date: April 2012
|
|
KernelVersion: 3.5
|
|
Contact: Johan Hovold <jhovold@gmail.com>
|
|
Description:
|
|
Event generated when channel passes one of the four thresholds
|
|
in each direction (rising|falling) and a zone change occurs.
|
|
The corresponding light zone can be read from
|
|
in_illuminance0_zone.
|
|
|
|
What: /sys/.../events/in_illuminance0_threshY_hysteresis
|
|
Date: May 2012
|
|
KernelVersion: 3.5
|
|
Contact: Johan Hovold <jhovold@gmail.com>
|
|
Description:
|
|
Get the hysteresis for thresholds Y, that is,
|
|
threshY_hysteresis = threshY_raising - threshY_falling
|
|
|
|
What: /sys/.../events/illuminance_threshY_falling_value
|
|
What: /sys/.../events/illuminance_threshY_raising_value
|
|
Date: April 2012
|
|
KernelVersion: 3.5
|
|
Contact: Johan Hovold <jhovold@gmail.com>
|
|
Description:
|
|
Specifies the value of threshold that the device is comparing
|
|
against for the events enabled by
|
|
in_illuminance0_thresh_either_en (0..255), where Y in 0..3.
|
|
|
|
Note that threshY_falling must be less than or equal to
|
|
threshY_raising.
|
|
|
|
These thresholds correspond to the eight zone-boundary
|
|
registers (boundaryY_{low,high}) and define the five light
|
|
zones.
|
|
|
|
What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_zone
|
|
Date: April 2012
|
|
KernelVersion: 3.5
|
|
Contact: Johan Hovold <jhovold@gmail.com>
|
|
Description:
|
|
Get the current light zone (0..4) as defined by the
|
|
in_illuminance0_threshY_{falling,rising} thresholds.
|
|
|
|
What: /sys/bus/iio/devices/iio:deviceX/out_currentY_currentZ_raw
|
|
Date: May 2012
|
|
KernelVersion: 3.5
|
|
Contact: Johan Hovold <jhovold@gmail.com>
|
|
Description:
|
|
Set the output current for channel out_currentY when in zone
|
|
Z (0..255), where Y in 0..2 and Z in 0..4.
|
|
|
|
These values correspond to the ALS-mapper target registers for
|
|
ALS-mapper Y + 1.
|
|
|
|
Note that out_currentY_raw provides the current for the
|
|
current zone.
|