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Add an example of a complex LED trigger in the form of a generic timer which triggers the LED its attached to at a user specified frequency and duty cycle. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
34 lines
835 B
Plaintext
34 lines
835 B
Plaintext
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menu "LED devices"
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config NEW_LEDS
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bool "LED Support"
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help
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Say Y to enable Linux LED support. This is not related to standard
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keyboard LEDs which are controlled via the input system.
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config LEDS_CLASS
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tristate "LED Class Support"
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depends NEW_LEDS
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help
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This option enables the led sysfs class in /sys/class/leds. You'll
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need this to do anything useful with LEDs. If unsure, say N.
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config LEDS_TRIGGERS
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bool "LED Trigger support"
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depends NEW_LEDS
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help
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This option enables trigger support for the leds class.
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These triggers allow kernel events to drive the LEDs and can
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be configured via sysfs. If unsure, say Y.
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config LEDS_TRIGGER_TIMER
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tristate "LED Timer Trigger"
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depends LEDS_TRIGGERS
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help
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This allows LEDs to be controlled by a programmable timer
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via sysfs. If unsure, say Y.
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endmenu
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