修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-class-led-flash
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@@ -55,26 +55,35 @@
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 		Flash faults are re-read after strobing the flash. Possible
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 		flash faults:
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-		* led-over-voltage - flash controller voltage to the flash LED
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+		* led-over-voltage
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+			flash controller voltage to the flash LED
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 			has exceeded the limit specific to the flash controller
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-		* flash-timeout-exceeded - the flash strobe was still on when
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+		* flash-timeout-exceeded
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+			the flash strobe was still on when
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 			the timeout set by the user has expired; not all flash
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 			controllers may set this in all such conditions
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-		* controller-over-temperature - the flash controller has
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+		* controller-over-temperature
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+			the flash controller has
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 			overheated
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-		* controller-short-circuit - the short circuit protection
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+		* controller-short-circuit
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+			the short circuit protection
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 			of the flash controller has been triggered
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-		* led-power-supply-over-current - current in the LED power
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+		* led-power-supply-over-current
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+			current in the LED power
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 			supply has exceeded the limit specific to the flash
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 			controller
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-		* indicator-led-fault - the flash controller has detected
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+		* indicator-led-fault
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+			the flash controller has detected
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 			a short or open circuit condition on the indicator LED
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-		* led-under-voltage - flash controller voltage to the flash
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+		* led-under-voltage
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+			flash controller voltage to the flash
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 			LED has been below the minimum limit specific to
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 			the flash
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-		* controller-under-voltage - the input voltage of the flash
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+		* controller-under-voltage
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+			the input voltage of the flash
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 			controller is below the limit under which strobing the
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 			flash at full current will not be possible;
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 			the condition persists until this flag is no longer set
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-		* led-over-temperature - the temperature of the LED has exceeded
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+		* led-over-temperature
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+			the temperature of the LED has exceeded
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 			its allowed upper limit