From 0da93514badadb8efa5c006e48e4a0f54c1cb253 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Tue, 27 Dec 2005 22:49:58 +0000
Subject: correct probe for ds1780 (lm87 clone)

---
 sys/dev/i2c/i2c_scan.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'sys')

diff --git a/sys/dev/i2c/i2c_scan.c b/sys/dev/i2c/i2c_scan.c
index 99a44bd2a39..a2f97d453dd 100644
--- a/sys/dev/i2c/i2c_scan.c
+++ b/sys/dev/i2c/i2c_scan.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: i2c_scan.c,v 1.27 2005/12/27 22:14:23 deraadt Exp $	*/
+/*	$OpenBSD: i2c_scan.c,v 1.28 2005/12/27 22:49:57 deraadt Exp $	*/
 
 /*
  * Copyright (c) 2005 Alexander Yurchenko <grange@openbsd.org>
@@ -347,8 +347,8 @@ iic_probe(struct device *self, struct i2cbus_attach_args *iba, u_int8_t addr)
 		break;
 	case 0xda:
 		if (probe(0x3f) == 0x01 && probe(0x48) == addr &&
-		    probe(0x00) == 0x00)
-			name = "ds1780";	/* getting desperate! */
+		    (probe(0x40) & 0x80) == 0x00)
+			name = "ds1780";	/* lm87 clones */
 		break;
 	}
 	switch (probe(0x4e)) {
-- 
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