add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/include/uapi/linux/ppdev.h
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@@ -15,6 +15,9 @@
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  * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001
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  */
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+#ifndef _UAPI_LINUX_PPDEV_H
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+#define _UAPI_LINUX_PPDEV_H
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+
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 #define PP_IOCTL	'p'
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 /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */
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@@ -97,4 +100,4 @@
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 /* only masks user-visible flags */
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 #define PP_FLAGMASK	(PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
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-
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+#endif /* _UAPI_LINUX_PPDEV_H */