linux-toradex.git/Documentation/input/elantech.txt, branch v3.12-rc5 Linux kernel for Apalis and Colibri modules Input: elantech - add v4 hardware support 2011-09-09T17:35:02+00:00 JJ Ding jj_ding@emc.com.tw 2011-09-09T17:31:58+00:00 1dc6edec127e1fdb89d246189c232fe635d2f921 v4 hardware is a true multitouch capable touchpad (up to 5 fingers). The packet format is quite complex, please see protocol document for reference. Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
v4 hardware is a true multitouch capable touchpad (up to 5 fingers).
The packet format is quite complex, please see protocol document for
reference.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input: elantech - add v3 hardware support 2011-09-09T17:34:58+00:00 JJ Ding jj_ding@emc.com.tw 2011-09-09T17:30:31+00:00 28f49616113f3a1fbef789319bfd2122d0c3663f v3 hardware's packet format is almost identical to v2 (one/three finger touch), except when sensing two finger touch, the hardware sends 12 bytes of data. Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Acked-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
v3 hardware's packet format is almost identical to v2 (one/three finger touch),
except when sensing two finger touch, the hardware sends 12 bytes of data.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input: elantech - correct x, y value range for v2 hardware 2011-09-09T17:34:25+00:00 JJ Ding jj_ding@emc.com.tw 2011-09-09T17:22:19+00:00 1155961946f2c6ac0f2db2bc6318ec01c79fb3fa x, y values are actually 12-bit long. Also update protocol document to reflect the change. Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Acked-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
x, y values are actually 12-bit long. Also update protocol document to
reflect the change.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input: elantech - describe further the protocol 2011-05-17T05:48:24+00:00 Éric Piel E.A.B.Piel@tudelft.nl 2011-05-17T05:45:54+00:00 71c6d18859ccb137343017ec995b76d9f62bd9b0 For some Dell laptops, Ubuntu had a special version of the elantech driver with more knowledge on the devices. It can be found there: http://zinc.ubuntu.com/git?p=mid-team/hardy-netbook.git;a=blob;f=drivers/input/mouse/elantech.c;h=d0e2cafed162428f72e3654f4dda85e08ea486b3;hb=refs/heads/abi-22 By inspecting the source code, and doing some test on a real hardware, I have completed the protocol specification (especially for the 6 bytes protocol). It also adds information about the mapping between the version reported by the device and the protocol to use. Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Reviewed-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
For some Dell laptops, Ubuntu had a special version of the elantech
driver with more knowledge on the devices. It can be found there:
http://zinc.ubuntu.com/git?p=mid-team/hardy-netbook.git;a=blob;f=drivers/input/mouse/elantech.c;h=d0e2cafed162428f72e3654f4dda85e08ea486b3;hb=refs/heads/abi-22

By inspecting the source code, and doing some test on a real hardware, I
have completed the protocol specification (especially for the 6 bytes
protocol). It also adds information about the mapping between the
version reported by the device and the protocol to use.

Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input: elantech - ignore high bits in the position coordinates 2010-05-04T06:35:11+00:00 Florian Ragwitz rafl@debian.org 2010-05-04T06:29:37+00:00 e938fbfd4a7ac829d48b767c4dc365535d5c4f97 In older versions of the elantech hardware/firmware those bits always were unset, so it didn't actually matter, but newer versions seem to use those high bits for something else, screwing up the coordinates we report to the input layer for those devices. Signed-off-by: Florian Ragwitz <rafl@debian.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
In older versions of the elantech hardware/firmware those bits always
were unset, so it didn't actually matter, but newer versions seem to
use those high bits for something else, screwing up the coordinates
we report to the input layer for those devices.

Signed-off-by: Florian Ragwitz <rafl@debian.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input: psmouse - add support for Elantech touchpads 2008-10-17T02:54:35+00:00 Arjan Opmeer arjan@opmeer.net 2008-10-17T02:10:19+00:00 2a0bd75e5e687a9c34921e942c18477ea7ec2d63 This is version 5 of the driver. Relative mode support has been dropped (users wishing to use touchpad in relative mode can use standard PS/2 protocol emulation done in hardware). The driver supports both original version of Elantech protocol and the newer one used by touchpads installed in EeePC. Signed-off-by: Arjan Opmeer <arjan@opmeer.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
This is version 5 of the driver. Relative mode support has been
dropped (users wishing to use touchpad in relative mode can use
standard PS/2 protocol emulation done in hardware). The driver
supports both original version of Elantech protocol and the newer
one used by touchpads installed in EeePC.

Signed-off-by: Arjan Opmeer <arjan@opmeer.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>