iic.4 (f80a2d649e2733744b58c3fff5b6303999f519ca) iic.4 (81ae4b8da9920ccfb697984dbb2e8751573d183a)
1.\" Copyright (c) 2006, M. Warner Losh
2.\" Copyright (c) 1998, Nicolas Souchu
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright

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152managed by the
153.Xr iicbus 4
154system.
155However, the address used for the read/write routines is the one
156passed to last
157.Dv I2CSTART
158.Xr ioctl 2
159to this device.
1.\" Copyright (c) 2006, M. Warner Losh
2.\" Copyright (c) 1998, Nicolas Souchu
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright

--- 143 unchanged lines hidden (view full) ---

152managed by the
153.Xr iicbus 4
154system.
155However, the address used for the read/write routines is the one
156passed to last
157.Dv I2CSTART
158.Xr ioctl 2
159to this device.
160.Sh BUGS
161Only the
162.Dv I2CRDWR
163.Xr ioctl 2
164is thread safe.
165All other interfaces suffer from some kind of race.
166.Sh SEE ALSO
167.Xr ioctl 2 ,
168.Xr read 2 ,
169.Xr write 2 ,
170.Xr iicbus 4
171.Sh HISTORY
172The
173.Nm
174manual page first appeared in
175.Fx 3.0 .
176.Sh AUTHORS
177.An -nosplit
178This
179manual page was written by
180.An Nicolas Souchu
181and
182.An M. Warner Losh .
160.Sh SEE ALSO
161.Xr ioctl 2 ,
162.Xr read 2 ,
163.Xr write 2 ,
164.Xr iicbus 4
165.Sh HISTORY
166The
167.Nm
168manual page first appeared in
169.Fx 3.0 .
170.Sh AUTHORS
171.An -nosplit
172This
173manual page was written by
174.An Nicolas Souchu
175and
176.An M. Warner Losh .
177.Sh BUGS
178Only the
179.Dv I2CRDWR
180.Xr ioctl 2
181is thread safe.
182All other interfaces suffer from some kind of race.