€•Ê      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ(/translations/zh_CN/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ(/translations/zh_TW/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ(/translations/it_IT/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ(/translations/ja_JP/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ(/translations/ko_KR/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ(/translations/sp_SP/leds/ledtrig-oneshot”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒOne-shot LED Trigger”h]”hŒOne-shot LED Trigger”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒB/var/lib/git/docbuild/linux/Documentation/leds/ledtrig-oneshot.rst”h KubhŒ	paragraph”“”)”}”(hXK  This is a LED trigger useful for signaling the user of an event where there are
no clear trap points to put standard led-on and led-off settings.  Using this
trigger, the application needs only to signal the trigger when an event has
happened, then the trigger turns the LED on and then keeps it off for a
specified amount of time.”h]”hXK  This is a LED trigger useful for signaling the user of an event where there are
no clear trap points to put standard led-on and led-off settings.  Using this
trigger, the application needs only to signal the trigger when an event has
happened, then the trigger turns the LED on and then keeps it off for a
specified amount of time.”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hX  This trigger is meant to be usable both for sporadic and dense events.  In the
first case, the trigger produces a clear single controlled blink for each
event, while in the latter it keeps blinking at constant rate, as to signal
that the events are arriving continuously.”h]”hX  This trigger is meant to be usable both for sporadic and dense events.  In the
first case, the trigger produces a clear single controlled blink for each
event, while in the latter it keeps blinking at constant rate, as to signal
that the events are arriving continuously.”…””}”(hhÇhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒ¹A one-shot LED only stays in a constant state when there are no events.  An
additional "invert" property specifies if the LED has to stay off (normal) or
on (inverted) when not rearmed.”h]”hŒ½A one-shot LED only stays in a constant state when there are no events.  An
additional â€œinvertâ€ property specifies if the LED has to stay off (normal) or
on (inverted) when not rearmed.”…””}”(hhÕhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒRThe trigger can be activated from user space on led class devices as shown
below::”h]”hŒQThe trigger can be activated from user space on led class devices as shown
below:”…””}”(hhãhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhŒliteral_block”“”)”}”(hŒecho oneshot > trigger”h]”hŒecho oneshot > trigger”…””}”hhósbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1hñhŸh¶h Khh£hžhubh¸)”}”(hŒwThis adds sysfs attributes to the LED that are documented in:
Documentation/ABI/testing/sysfs-class-led-trigger-oneshot”h]”hŒwThis adds sysfs attributes to the LED that are documented in:
Documentation/ABI/testing/sysfs-class-led-trigger-oneshot”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒ3Example use-case: network devices, initialization::”h]”hŒ2Example use-case: network devices, initialization:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhò)”}”(hŒŽecho oneshot > trigger # set trigger for this led
echo 33 > delay_on     # blink at 1 / (33 + 33) Hz on continuous traffic
echo 33 > delay_off”h]”hŒŽecho oneshot > trigger # set trigger for this led
echo 33 > delay_on     # blink at 1 / (33 + 33) Hz on continuous traffic
echo 33 > delay_off”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”j  j  uh1hñhŸh¶h Khh£hžhubh¸)”}”(hŒinterface goes up::”h]”hŒinterface goes up:”…””}”(hj-  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K"hh£hžhubhò)”}”(hŒ9echo 1 > invert # set led as normally-on, turn the led on”h]”hŒ9echo 1 > invert # set led as normally-on, turn the led on”…””}”hj;  sbah}”(h]”h ]”h"]”h$]”h&]”j  j  uh1hñhŸh¶h K$hh£hžhubh¸)”}”(hŒpacket received/transmitted::”h]”hŒpacket received/transmitted:”…””}”(hjI  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K&hh£hžhubhò)”}”(hŒ@echo 1 > shot # led starts blinking, ignored if already blinking”h]”hŒ@echo 1 > shot # led starts blinking, ignored if already blinking”…””}”hjW  sbah}”(h]”h ]”h"]”h$]”h&]”j  j  uh1hñhŸh¶h K(hh£hžhubh¸)”}”(hŒinterface goes down::”h]”hŒinterface goes down:”…””}”(hje  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K*hh£hžhubhò)”}”(hŒ;echo 0 > invert # set led as normally-off, turn the led off”h]”hŒ;echo 0 > invert # set led as normally-off, turn the led off”…””}”hjs  sbah}”(h]”h ]”h"]”h$]”h&]”j  j  uh1hñhŸh¶h K,hh£hžhubeh}”(h]”Œone-shot-led-trigger”ah ]”h"]”Œone-shot led trigger”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
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