From 1eb19a9e87c01ca271110cb72e3b465bfdf000c8 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Mon, 12 Dec 2011 00:05:53 -0800
Subject: [PATCH] --- yaml --- r: 276831 b: refs/heads/master c:
 8521478f67e95ada4e87970c7b41e504c724b2cf h: refs/heads/master i:   276829:
 3a06e4aeab2fdc8d2edf601550bd9316f11af909   276827:
 084f5b84fcd1e66f41594f1edcea850206a501fb   276823:
 ad12d34229a1205c9ed24d737e4db162c78dbf0a   276815:
 8b6d1898051dd5fd7552c9f25fd33d2d4e04ee62   276799:
 c0aa65c68afcab36c7d40b3797d3aef4b781e803 v: v3

---
 [refs]                                |  2 +-
 trunk/drivers/input/mouse/synaptics.c | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 28bd01d4046b..a1007be8c530 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3a7f8fb1d8c9b6a066b0452cea47c85547c97723
+refs/heads/master: 8521478f67e95ada4e87970c7b41e504c724b2cf
diff --git a/trunk/drivers/input/mouse/synaptics.c b/trunk/drivers/input/mouse/synaptics.c
index c080b828e5dc..a6dcd18e9adf 100644
--- a/trunk/drivers/input/mouse/synaptics.c
+++ b/trunk/drivers/input/mouse/synaptics.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/input/mt.h>
 #include <linux/serio.h>
@@ -1220,6 +1221,16 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 
 	do {
 		psmouse_reset(psmouse);
+		if (retry) {
+			/*
+			 * On some boxes, right after resuming, the touchpad
+			 * needs some time to finish initializing (I assume
+			 * it needs time to calibrate) and start responding
+			 * to Synaptics-specific queries, so let's wait a
+			 * bit.
+			 */
+			ssleep(1);
+		}
 		error = synaptics_detect(psmouse, 0);
 	} while (error && ++retry < 3);