Misc ds1722 fixups

This patch is based on a patch submitted by Jean-Christophe PLAGNIOL-VILLARD
on 18th May 2008 as part of a general i386 / sc520 fixup which was never
applied

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/include/ds1722.h b/include/ds1722.h
new file mode 100644
index 0000000..44f0830
--- /dev/null
+++ b/include/ds1722.h
@@ -0,0 +1,32 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _DS1722_H_
+#define _DS1722_H_
+
+#define DS1722_RESOLUTION_8BIT	0x0
+#define DS1722_RESOLUTION_9BIT	0x1
+#define DS1722_RESOLUTION_10BIT	0x2
+#define DS1722_RESOLUTION_11BIT	0x3
+#define DS1722_RESOLUTION_12BIT	0x4
+
+int ds1722_probe(int dev);
+
+#endif /* _DS1722_H_ */