add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/Documentation/driver-api/soundwire/locking.rst
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..
@@ -44,7 +44,9 @@
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      b. Transfer message (Read/Write) to Slave1 or broadcast message on
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         Bus in case of bank switch.
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-     c. Release Message lock ::
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+     c. Release Message lock
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+
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+     ::
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 	+----------+                    +---------+
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 	|          |                    |         |