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authorAlexandr Shadchin <shadchin@cvs.openbsd.org>2011-04-09 08:38:43 +0000
committerAlexandr Shadchin <shadchin@cvs.openbsd.org>2011-04-09 08:38:43 +0000
commitd7e280ac3a05f25fa5b098f203aa40e92d040a5d (patch)
treee716a94142e8509677a0147ad6242d5072351dc8 /driver/xf86-input-synaptics/README
parentb9f5f7ebfd9cf7882a73f6072406855aae88cc9e (diff)
Import xf86-input-synaptics 1.4.0
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+Synaptics touchpad driver for X.Org
+-----------------------------------
+
+FAQ
+---
+
+* Is this free software?
+
+ Yes, the source code is released under the MIT license.
+
+* When will the driver be included in the XOrg distribution?
+
+ It is already.
+
+* How do I use this driver with Linux kernel 2.6.x?
+
+ You need to have the "evdev" driver loaded or compiled into the
+ kernel (CONFIG_INPUT_EVDEV). Set the "Protocol" parameter in the X
+ configuration file to "auto-dev". Also, if you set the "Device"
+ parameter to "/dev/psaux", the same X configuration file should
+ work for a 2.4.x kernel.
+
+ When configuring the kernel, enable PS/2 mouse support
+ (CONFIG_MOUSE_PS2).
+
+* It still doesn't work with a 2.6 kernel.
+
+ Some distributions come with an incomplete /dev directory. The
+ driver needs the /dev/input/eventX device nodes. Try to create
+ them manually if they don't exist already. (Look at
+ /proc/bus/input/devices to figure out how many nodes you need.)
+
+ # mknod /dev/input/event0 c 13 64
+ # mknod /dev/input/event1 c 13 65
+ # mknod /dev/input/event2 c 13 66
+ ...
+
+* How can I configure tap-to-click behavior?
+
+ If you set MaxTapTime=0 in the X config file then the touchpad
+ will not use tapping at all, i.e. touching/tapping will not be
+ taken as a mouse click.
+
+ If, instead, you set MaxTapMove=0 in the X config file, then the
+ touchpad will not use tapping for a single finger tap (left mouse
+ button click) but will for the two and three finger tap (middle
+ and right button click).
+
+* Why did tap-to-click stop working after I upgraded from an old version?
+
+ Time is now measured in milliseconds instead of "number of
+ packets". In practice, this means that if you are upgrading from
+ an old version, you need to change MaxTapTime and
+ EmulateMidButtonTime to make "tap to click" work. Good values are
+ 180 and 75 respectively.
+
+* Gnome scrollbars scroll too much when using tap-to-click. Why?
+
+ The ClickTime parameter is probably too big. Try setting it to
+ 100. Gnome scrollbars use auto repeat, ie if you press the left
+ mouse button and keep it pressed, the scroll bar will move until
+ you release the button. This will lead to problems if the tap time
+ is longer than the delay before auto repeat starts.
+
+* Vertical and horizontal scrolling events are mixed up. How come?
+
+ Probably because some X startup/login script uses xmodmap to remap
+ the mouse buttons. Correct settings for the touchpad are:
+
+ xmodmap -e 'pointer = 1 2 3 4 5 6 7'
+
+ You can check the current settings by running:
+
+ xmodmap -pp
+
+* Horizontal scrolling doesn't work in some programs. Is it a driver
+ bug?
+
+ No, probably not. Support for horizontal scroll events must be
+ handled by the application programs. Not all programs do that
+ yet. Ask the authors of the application in question to implement
+ support for horizontal scroll events.
+
+ You can use the "xev" program to check if the synaptics driver
+ generates the horizontal scroll events.
+
+ If you are having problems with Mozilla, try this link:
+
+ http://lists.debian.org/debian-laptop/2004/08/msg00167.html
+
+* Can the driver be used together with gpm?
+
+ No, not reliably, if you are using a 2.4.x kernel. The gpm driver
+ and the X driver both try to read data from the touchpad, and if
+ they try to read at the same time, both drivers see incomplete
+ data and don't know how to interpret it.
+
+ If you are running a 2.6.x kernel though, there should be no
+ conflict, because the kernel driver will make sure both user space
+ drivers receive all events from the touchpad.
+
+* Can I use this driver with an ALPS Glidepoint device?
+
+ Yes, see the README.alps file for more information.
+
+* The driver says "reset failed" and the touchpad doesn't work. What
+ can I do?
+
+ This problem has been reported for some Compaq models. It's
+ currently not known why it happens, but removing the reset command
+ from the driver appears to make it work. If you use a 2.4 linux
+ kernel, replace the contents of the ps2_synaptics_reset() function
+ in ps2comm.c with a "return TRUE;" statement. If you use a 2.6
+ linux kernel, remove the while loop in synaptics_query_hardware()
+ in the file drivers/input/mouse/synaptics.c in the linux kernel
+ source code.
+
+
+Authors
+-------
+
+Many people have contributed to this driver. Look at the top of
+synaptics.c and ps2comm.c for details.
+
+The current maintainer is Christoph Brill <egore911@egore911.de>.
+
+
+Contacts
+--------
+All questions regarding this software should be directed at the
+Xorg mailing list:
+
+ http://lists.freedesktop.org/mailman/listinfo/xorg
+
+Please submit bug reports to the Xorg bugzilla:
+
+ https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
+
+The master development code repository can be found at:
+
+ git://anongit.freedesktop.org/git/xorg/driver/xf86-input-synaptcis
+
+ http://cgit.freedesktop.org/xorg/driver/xf86-input-synaptcis
+
+For patch submission instructions, see:
+
+ http://www.x.org/wiki/Development/Documentation/SubmittingPatches
+
+For more information on the git code manager, see:
+
+ http://wiki.x.org/wiki/GitPage
+