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-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs b/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs
index bbb0392..76698d2 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs
+++ b/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs
@@ -18,3 +18,14 @@ Description:
trigger. In order to associate the trigger with an IIO device
one should write this name string to
/sys/bus/iio/devices/iio:deviceY/trigger/current_trigger.
+
+What: /sys/bus/iio/devices/iio_sysfs_trigger/add_trigger
+KernelVersion: 2.6.39
+Contact: linux-iio@vger.kernel.org
+Description:
+ This attribute is provided by the iio-trig-sysfs stand-alone
+ driver and it is used to activate the creation of a new trigger.
+ In order to achieve this, one should write a positive integer
+ into the associated file, which will serve as the id of the
+ trigger. If the trigger with the specified id is already present
+ in the system, an invalid argument message will be returned.
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