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+What:           /sys/class/leds/<led>/gt683r/mode
+Date:           Jun 2014
+KernelVersion:  3.17
+Contact:        Janne Kanniainen <janne.kanniainen@gmail.com>
+Description:
+                Set the mode of LEDs. You should notice that changing the mode
+                of one LED will update the mode of its two sibling devices as
+                well.
+
+                0 - normal
+                1 - audio
+                2 - breathing
+
+                Normal: LEDs are fully on when enabled
+                Audio:  LEDs brightness depends on sound level
+                Breathing: LEDs brightness varies at human breathing rate
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