修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-bus-acpi
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@@ -5,6 +5,7 @@
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 		This attribute indicates the full path of ACPI namespace
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 		object associated with the device object.  For example,
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 		\_SB_.PCI0.
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+
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 		This file is not present for device objects representing
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 		fixed ACPI hardware features (like power and sleep
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 		buttons).
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@@ -67,14 +68,16 @@
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 		The return value is a decimal integer representing the device's
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 		status bitmap:
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-		Bit [0] –  Set if the device is present.
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-		Bit [1] –  Set if the device is enabled and decoding its
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-		           resources.
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-		Bit [2] –  Set if the device should be shown in the UI.
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-		Bit [3] –  Set if the device is functioning properly (cleared if
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-		           device failed its diagnostics).
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-		Bit [4] –  Set if the battery is present.
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-		Bits [31:5] –  Reserved (must be cleared)
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+		===========  ==================================================
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+		Bit [0]      Set if the device is present.
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+		Bit [1]      Set if the device is enabled and decoding its
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+		             resources.
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+		Bit [2]      Set if the device should be shown in the UI.
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+		Bit [3]      Set if the device is functioning properly (cleared
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+			     if device failed its diagnostics).
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+		Bit [4]      Set if the battery is present.
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+		Bits [31:5]  Reserved (must be cleared)
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+		===========  ==================================================
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 		If bit [0] is clear, then bit 1 must also be clear (a device
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 		that is not present cannot be enabled).