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Input: alps - Update documentation for trackstick v3 format

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Bits for M, R and L buttons are already processed in alps. Other newly
documented bits not yet.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Pali Rohár 2018-03-21 21:03:36 +01:00 committed by Jonathan Corbet
parent 156383b190
commit b520e49bef
1 changed files with 5 additions and 2 deletions
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7
Documentation/input/devices/alps.rst
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@ -192,10 +192,13 @@ The final v3 packet type is the trackstick packet::
byte 0: 1 1 x7 y7 1 1 1 1 byte 0: 1 1 x7 y7 1 1 1 1
byte 1: 0 x6 x5 x4 x3 x2 x1 x0 byte 1: 0 x6 x5 x4 x3 x2 x1 x0
byte 2: 0 y6 y5 y4 y3 y2 y1 y0 byte 2: 0 y6 y5 y4 y3 y2 y1 y0
byte 3: 0 1 0 0 1 0 0 0 byte 3: 0 1 TP SW 1 M R L
byte 4: 0 z4 z3 z2 z1 z0 ? ? byte 4: 0 z6 z5 z4 z3 z2 z1 z0
byte 5: 0 0 1 1 1 1 1 1 byte 5: 0 0 1 1 1 1 1 1
TP means Tap SW status when tap processing is enabled or Press status when press
processing is enabled. SW means scroll up when 4 buttons are available.
ALPS Absolute Mode - Protocol Version 4 ALPS Absolute Mode - Protocol Version 4
--------------------------------------- ---------------------------------------