From b520e49befd02358f7cd6526ea01dcd9bf0f5e61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= Date: Wed, 21 Mar 2018 21:03:36 +0100 Subject: [PATCH] Input: alps - Update documentation for trackstick v3 format MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Bits for M, R and L buttons are already processed in alps. Other newly documented bits not yet. Signed-off-by: Pali Rohár Signed-off-by: Jonathan Corbet --- Documentation/input/devices/alps.rst | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) 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 ---------------------------------------