On Wed, Apr 15, 2015 at 04:08:47PM +0200, Hans de Goede wrote: > Non interleaved dualpoint v2 devices have separate pointstick button bits, > document this. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Applied, thank you. > --- > Changes in v2: > -Document that the pointingstick packet button bits give the combined > button status of both the stick and the touchpad buttons > --- > Documentation/input/alps.txt | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt > index 92ae734..e301887d 100644 > --- a/Documentation/input/alps.txt > +++ b/Documentation/input/alps.txt > @@ -94,6 +94,10 @@ PS/2 packet format > > Note that the device never signals overflow condition. > > +For protocol version 2 devices when the trackpoint is used, and no fingers > +are on the touchpad, the M R L bits signal the combined status of both the > +pointingstick and touchpad buttons. > + > ALPS Absolute Mode - Protocol Version 1 > -------------------------------------- > > @@ -107,7 +111,7 @@ ALPS Absolute Mode - Protocol Version 1 > ALPS Absolute Mode - Protocol Version 2 > --------------------------------------- > > - byte 0: 1 ? ? ? 1 ? ? ? > + byte 0: 1 ? ? ? 1 PSM PSR PSL > byte 1: 0 x6 x5 x4 x3 x2 x1 x0 > byte 2: 0 x10 x9 x8 x7 ? fin ges > byte 3: 0 y9 y8 y7 1 M R L > @@ -115,7 +119,8 @@ ALPS Absolute Mode - Protocol Version 2 > 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. > +the DualPoint Stick. For non interleaved dualpoint devices the pointingstick > +buttons get reported separately in the PSM, PSR and PSL bits. > > Dualpoint device -- interleaved packet format > --------------------------------------------- > -- > 2.3.5 > -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
