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[~andy/linux] / drivers / staging / iio / Documentation / sysfs-bus-iio-trigger-sysfs
1 What:           /sys/bus/iio/devices/triggerX/trigger_now
2 KernelVersion:  2.6.38
3 Contact:        linux-iio@vger.kernel.org
4 Description:
5                 This file is provided by the iio-trig-sysfs stand-alone trigger
6                 driver. Writing this file with any value triggers an event
7                 driven driver, associated with this trigger, to capture data
8                 into an in kernel buffer. This approach can be valuable during
9                 automated testing or in situations, where other trigger methods
10                 are not applicable. For example no RTC or spare GPIOs.
11                 X is the IIO index of the trigger.