修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-class-scsi_host
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@@ -56,8 +56,9 @@
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 		management) on top, which makes it match the Windows IRST (Intel
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 		Rapid Storage Technology) driver settings. This setting is also
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 		close to min_power, except that:
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+
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 		a) It does not use host-initiated slumber mode, but it does
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-		allow device-initiated slumber
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+		   allow device-initiated slumber
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 		b) It does not enable low power device sleep mode (DevSlp).
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 What:		/sys/class/scsi_host/hostX/em_message
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@@ -70,8 +71,8 @@
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 		protocol, writes and reads correspond to the LED message format
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 		as defined in the AHCI spec.
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-		The user must turn sw_activity (under /sys/block/*/device/) OFF
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-		it they wish to control the activity LED via the em_message
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+		The user must turn sw_activity (under `/sys/block/*/device/`)
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+		OFF it they wish to control the activity LED via the em_message
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 		file.
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 		em_message_type: (RO) Displays the current enclosure management