Input: alps - Update documentation for trackstick v3 format
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Message ID 20180321200336.32035-1-pali.rohar@gmail.com
State New, archived
Headers show

Commit Message

Pali Rohár March 21, 2018, 8:03 p.m. UTC
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>
---
This is based on information which Masaki Ota provided to us.
---
 Documentation/input/devices/alps.rst | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

Jonathan Corbet March 26, 2018, 2:41 p.m. UTC | #1
On Wed, 21 Mar 2018 21:03:36 +0100
Pali Rohár <pali.rohar@gmail.com> wrote:

> 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>
> ---
> This is based on information which Masaki Ota provided to us.

In the absence of screams of agony I'll assume that the change is
correct.  Applied to the docs tree, thanks.

jon
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Patch
diff mbox

diff --git a/Documentation/input/devices/alps.rst b/Documentation/input/devices/alps.rst
index 6779148e428c..b556d6bde5e1 100644
--- a/Documentation/input/devices/alps.rst
+++ b/Documentation/input/devices/alps.rst
@@ -192,10 +192,13 @@  The final v3 packet type is the trackstick packet::
  byte 0:    1    1   x7   y7    1    1    1    1
  byte 1:    0   x6   x5   x4   x3   x2   x1   x0
  byte 2:    0   y6   y5   y4   y3   y2   y1   y0
- byte 3:    0    1    0    0    1    0    0    0
- byte 4:    0   z4   z3   z2   z1   z0    ?    ?
+ byte 3:    0    1   TP   SW    1    M    R    L
+ byte 4:    0   z6   z5   z4   z3   z2   z1   z0
  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
 ---------------------------------------