svn commit: r208839 - head/sys/dev/iicbus

Nathan Whitehorn nwhitehorn at FreeBSD.org
Sat Jun 5 17:48:26 UTC 2010


Author: nwhitehorn
Date: Sat Jun  5 17:48:26 2010
New Revision: 208839
URL: http://svn.freebsd.org/changeset/base/208839

Log:
  Add two new flags (IIC_M_NOSTOP and IIC_M_NOSTART) to struct iic_msg to
  allow consumers of iicbus_transfer() to send messages with repeated starts.
  
  Reviewed by:	imp

Modified:
  head/sys/dev/iicbus/iic.h

Modified: head/sys/dev/iicbus/iic.h
==============================================================================
--- head/sys/dev/iicbus/iic.h	Sat Jun  5 17:22:17 2010	(r208838)
+++ head/sys/dev/iicbus/iic.h	Sat Jun  5 17:48:26 2010	(r208839)
@@ -38,6 +38,8 @@ struct iic_msg
 	uint16_t	flags;
 #define	IIC_M_WR	0	/* Fake flag for write */
 #define	IIC_M_RD	0x0001	/* read vs write */
+#define	IIC_M_NOSTOP	0x0002	/* do not send a I2C stop after message */
+#define	IIC_M_NOSTART	0x0004	/* do not send a I2C start before message */
 	uint16_t	len;	/* msg legnth */
 	uint8_t *	buf;
 };


More information about the svn-src-head mailing list