修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl
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@@ -5,8 +5,10 @@
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 Description:    The state file allows a means by which to change in and
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                 out of Premium Real-Time Mode (PRTM), as well as the
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                 ability to query the current state.
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-                    0 => PRTM off
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-                    1 => PRTM enabled
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+
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+                    - 0 => PRTM off
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+                    - 1 => PRTM enabled
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+
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 Users:          The ibm-prtm userspace daemon uses this interface.
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