[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/leds/ledtrig-oneshot.txt b/src/kernel/linux/v4.14/Documentation/leds/ledtrig-oneshot.txt
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+One-shot LED Trigger
+====================
+
+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, than the trigger turns the LED on and than keeps it off for a
+specified amount of time.
+
+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.
+
+A 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.
+
+The trigger can be activated from user space on led class devices as shown
+below:
+
+ echo oneshot > trigger
+
+This adds sysfs attributes to the LED that are documented in:
+Documentation/ABI/testing/sysfs-class-led-trigger-oneshot
+
+Example use-case: network devices, initialization:
+
+ echo oneshot > trigger # set trigger for this led
+ echo 33 > delay_on # blink at 1 / (33 + 33) Hz on continuous traffic
+ echo 33 > delay_off
+
+interface goes up:
+
+ echo 1 > invert # set led as normally-on, turn the led on
+
+packet received/transmitted:
+
+ echo 1 > shot # led starts blinking, ignored if already blinking
+
+interface goes down
+
+ echo 0 > invert # set led as normally-off, turn the led off