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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-06 14:10:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-06 14:10:08 -0700 |
| commit | 9e441639d1ed78245600191f0fa45e106935a9dc (patch) | |
| tree | b38e8ada65f7621277c3e6993e2c04f1727a69ff /Documentation | |
| parent | f8b3d8a5af7559a58613384cd23fc03a3c787acf (diff) | |
| parent | 58d8a3be36cf0fe2eb2609e205bb07a141c29a7c (diff) | |
| download | linux-9e441639d1ed78245600191f0fa45e106935a9dc.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Updates for the input subsystem - two more tweaks for ALPS driver to
work out kinks after splitting the touchpad, trackstick, and potential
external PS/2 mouse into separate input devices.
Changes to support ALPS SS4 devices (protocol V8) will be coming in
4.1..."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: alps - document stick behavior for protocol V2
Input: alps - report V2 Dualpoint Stick events via the right evdev node
Input: alps - report interleaved bare PS/2 packets via dev3
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/input/alps.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index a63e5e013a8c..92ae734c00c3 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -114,6 +114,9 @@ ALPS Absolute Mode - Protocol Version 2 byte 4: 0 y6 y5 y4 y3 y2 y1 y0 byte 5: 0 z6 z5 z4 z3 z2 z1 z0 +Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for +the DualPoint Stick. + Dualpoint device -- interleaved packet format --------------------------------------------- @@ -127,6 +130,11 @@ Dualpoint device -- interleaved packet format byte 7: 0 y6 y5 y4 y3 y2 y1 y0 byte 8: 0 z6 z5 z4 z3 z2 z1 z0 +Devices which use the interleaving format normally send standard PS/2 mouse +packets for the DualPoint Stick + ALPS Absolute Mode packets for the +touchpad, switching to the interleaved packet format when both the stick and +the touchpad are used at the same time. + ALPS Absolute Mode - Protocol Version 3 --------------------------------------- |