From 5be6dbfe06a4225c8dc88fd96dbc1f898d6c4f76 Mon Sep 17 00:00:00 2001
From: David Fries <david@fries.net>
Date: Wed, 15 Oct 2008 22:05:04 -0700
Subject: [PATCH] --- yaml --- r: 114934 b: refs/heads/master c:
 e1c86d226daf95407d66246ced8fe087055acc6b h: refs/heads/master v: v3

---
 [refs]                            | 2 +-
 trunk/drivers/w1/masters/ds2490.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 056a461ba8f4..fe8771e4029c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f4ec2d7f6c4560a9d0c1abab2e8effe9ba93921
+refs/heads/master: e1c86d226daf95407d66246ced8fe087055acc6b
diff --git a/trunk/drivers/w1/masters/ds2490.c b/trunk/drivers/w1/masters/ds2490.c
index 6b188e8008e4..6fabf584395f 100644
--- a/trunk/drivers/w1/masters/ds2490.c
+++ b/trunk/drivers/w1/masters/ds2490.c
@@ -525,7 +525,12 @@ static int ds_write_bit(struct ds_device *dev, u8 bit)
 	int err;
 	struct ds_status st;
 
-	err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | (bit) ? COMM_D : 0, 0);
+	/* Set COMM_ICP to write without a readback.  Note, this will
+	 * produce one time slot, a down followed by an up with COMM_D
+	 * only determing the timing.
+	 */
+	err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | COMM_ICP |
+		(bit ? COMM_D : 0), 0);
 	if (err)
 		return err;