Module Name:    src
Committed By:   jdc
Date:           Sat Oct 26 18:28:15 UTC 2013

Modified Files:
        src/sys/dev/i2c: lm87.c

Log Message:
A fan reading of 0xff is also invalid (observed on AlphaServer DS20L).


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/dev/i2c/lm87.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/i2c/lm87.c
diff -u src/sys/dev/i2c/lm87.c:1.2 src/sys/dev/i2c/lm87.c:1.3
--- src/sys/dev/i2c/lm87.c:1.2	Fri Oct 18 15:16:08 2013
+++ src/sys/dev/i2c/lm87.c	Sat Oct 26 18:28:15 2013
@@ -1,4 +1,4 @@
-/*	$NetBSD: lm87.c,v 1.2 2013/10/18 15:16:08 jdc Exp $	*/
+/*	$NetBSD: lm87.c,v 1.3 2013/10/26 18:28:15 jdc Exp $	*/
 /*	$OpenBSD: lm87.c,v 1.20 2008/11/10 05:19:48 cnst Exp $	*/
 
 /*
@@ -18,7 +18,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: lm87.c,v 1.2 2013/10/18 15:16:08 jdc Exp $");
+__KERNEL_RCSID(0, "$NetBSD: lm87.c,v 1.3 2013/10/26 18:28:15 jdc Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -365,7 +365,7 @@ lmenv_refresh(struct sysmon_envsys *sme,
 			break;
 		}
 		tmp = data * sc->sc_fan1_div;
-		if (tmp == 0)
+		if (tmp == 0 || tmp == 0xff)
 			edata->state = ENVSYS_SINVALID;
 		else
 			edata->value_cur = 1350000 / tmp;
@@ -378,7 +378,7 @@ lmenv_refresh(struct sysmon_envsys *sme,
 			break;
 		}
 		tmp = data * sc->sc_fan2_div;
-		if (tmp == 0)
+		if (tmp == 0 || tmp == 0xff)
 			edata->state = ENVSYS_SINVALID;
 		else
 			edata->value_cur = 1350000 / tmp;

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