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-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 3e00d7f7ee22..e81ba6f5e1c8 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -107,6 +107,9 @@ Description:
relevant directories. If it affects all of the above
then it is to be found in the base device directory.
+ The stm32-timer-trigger has the additional characteristic that
+ a sampling_frequency of 0 is defined to stop sampling.
+
What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available
What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency_available
What: /sys/bus/iio/devices/iio:deviceX/in_proximity_sampling_frequency_available