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-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-adc-hi84355
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435 b/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435
index f30b4c424fb6..4b01150af397 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435
+++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435
@@ -19,9 +19,11 @@ Description:
is separately set for "GND-Open" and "Supply-Open" modes.
Channels 0..31 have common low threshold values, but could have different
sensing_modes.
+
The low voltage threshold range is between 2..21V.
Hysteresis between low and high thresholds can not be lower then 2 and
can not be odd.
+
If falling threshold results hysteresis to odd value then rising
threshold is automatically subtracted by one.
@@ -34,10 +36,13 @@ Description:
this value then the threshold rising event is pushed.
Depending on in_voltageY_sensing_mode the high voltage threshold
is separately set for "GND-Open" and "Supply-Open" modes.
+
Channels 0..31 have common high threshold values, but could have different
sensing_modes.
+
The high voltage threshold range is between 3..22V.
Hysteresis between low and high thresholds can not be lower then 2 and
can not be odd.
+
If rising threshold results hysteresis to odd value then falling
threshold is automatically appended by one.