修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-class-leds-gt683r
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@@ -5,12 +5,14 @@
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 Description:
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 		Set the mode of LEDs. You should notice that changing the mode
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 		of one LED will update the mode of its two sibling devices as
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-		well.
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+		well. Possible values are:
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-		0 - normal
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-		1 - audio
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-		2 - breathing
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+		==  =========
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+		0   normal
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+		1   audio
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+		2   breathing
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+		==  =========
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 		Normal: LEDs are fully on when enabled
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 		Audio:  LEDs brightness depends on sound level
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-		Breathing: LEDs brightness varies at human breathing rate
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+		Breathing: LEDs brightness varies at human breathing rate