From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Sat, 3 May 2014 11:04:52 +0000 (+0000)
Subject: [I8042PRT]
X-Git-Tag: backups/0.3.17@66124~1410
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=8eff9cd26aeda7f1a3c3e9b942fa220045f8dcb7

[I8042PRT]
Apply a workaround by hto to fix mouse / touchpad on some notebooks.
CORE-6901

svn path=/trunk/; revision=63126
---

diff --git a/reactos/drivers/input/i8042prt/pnp.c b/reactos/drivers/input/i8042prt/pnp.c
index 8dd6f1ba642..f1132bab652 100644
--- a/reactos/drivers/input/i8042prt/pnp.c
+++ b/reactos/drivers/input/i8042prt/pnp.c
@@ -479,7 +479,10 @@ StartProcedure(
         
         /* Start the mouse */
         Irql = KeAcquireInterruptSpinLock(DeviceExtension->HighestDIRQLInterrupt);
-        i8042IsrWritePort(DeviceExtension, MOU_CMD_RESET, CTRL_WRITE_MOUSE);
+        /* HACK: the mouse has already been reset in i8042DetectMouse. This second
+           reset prevents some touchpads/mice from working (Dell D531, D600).
+           See CORE-6901
+        i8042IsrWritePort(DeviceExtension, MOU_CMD_RESET, CTRL_WRITE_MOUSE); */
         KeReleaseInterruptSpinLock(DeviceExtension->HighestDIRQLInterrupt, Irql);
     }