修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-platform-dell-laptop
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@@ -2,7 +2,7 @@
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 Date:		December 2014
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 KernelVersion:	3.19
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 Contact:	Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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-		Pali Rohár <pali.rohar@gmail.com>
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+		Pali Rohár <pali@kernel.org>
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 Description:
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 		This file allows to control the automatic keyboard
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 		illumination mode on some systems that have an ambient
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@@ -13,7 +13,7 @@
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 Date:		December 2014
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 KernelVersion:	3.19
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 Contact:	Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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-		Pali Rohár <pali.rohar@gmail.com>
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+		Pali Rohár <pali@kernel.org>
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 Description:
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 		This file allows to specifiy the on/off threshold value,
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 		as reported by the ambient light sensor.
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@@ -22,7 +22,7 @@
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 Date:		December 2014
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 KernelVersion:	3.19
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 Contact:	Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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-		Pali Rohár <pali.rohar@gmail.com>
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+		Pali Rohár <pali@kernel.org>
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 Description:
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 		This file allows to control the input triggers that
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 		turn on the keyboard backlight illumination that is
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@@ -34,9 +34,12 @@
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 		this file. To disable a trigger, write its name preceded
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 		by '-' instead.
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-		For example, to enable the keyboard as trigger run:
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+		For example, to enable the keyboard as trigger run::
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+
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 		    echo +keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers
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-		To disable it:
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+		To disable it::
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+
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 		    echo -keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers
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 		Note that not all the available triggers can be configured.
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@@ -45,7 +48,7 @@
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 Date:		December 2014
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 KernelVersion:	3.19
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 Contact:	Gabriele Mazzotta <gabriele.mzt@gmail.com>,
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-		Pali Rohár <pali.rohar@gmail.com>
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+		Pali Rohár <pali@kernel.org>
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 Description:
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 		This file allows to specify the interval after which the
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 		keyboard illumination is disabled because of inactivity.
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@@ -57,7 +60,8 @@
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 		with any the above units. If no unit is specified, the value
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 		is assumed to be expressed in seconds.
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-		For example, to set the timeout to 10 minutes run:
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+		For example, to set the timeout to 10 minutes run::
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+
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 		    echo 10m > /sys/class/leds/dell::kbd_backlight/stop_timeout
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 		Note that when this file is read, the returned value might be