xref: /linux/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs (revision 2192c6f9496eec8b9c5c6084ee6c74f323f0297c)
1*2192c6f9SPeter MeerwaldWhat:		/sys/bus/iio/devices/triggerX/trigger_now
2*2192c6f9SPeter MeerwaldKernelVersion:	2.6.38
3*2192c6f9SPeter MeerwaldContact:	linux-iio@vger.kernel.org
4*2192c6f9SPeter MeerwaldDescription:
5*2192c6f9SPeter Meerwald		This file is provided by the iio-trig-sysfs stand-alone trigger
6*2192c6f9SPeter Meerwald		driver. Writing this file with any value triggers an event
7*2192c6f9SPeter Meerwald		driven driver, associated with this trigger, to capture data
8*2192c6f9SPeter Meerwald		into an in kernel buffer. This approach can be valuable during
9*2192c6f9SPeter Meerwald		automated testing or in situations, where other trigger methods
10*2192c6f9SPeter Meerwald		are not applicable. For example no RTC or spare GPIOs.
11*2192c6f9SPeter Meerwald		X is the IIO index of the trigger.
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