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authorSeth Forshee <seth.forshee@canonical.com>2011-11-07 19:53:15 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-11-07 22:22:09 -0800
commitd4b347b29b4d14647c7394f7167bf6785dc98e50 (patch)
tree82f8e1c35bba7f2ba2b6ad0b930a2dea70d009a8 /drivers/input
parent5a6c865d9861efdd066db1b5da491ebc2ff5926d (diff)
downloadop-kernel-dev-d4b347b29b4d14647c7394f7167bf6785dc98e50.zip
op-kernel-dev-d4b347b29b4d14647c7394f7167bf6785dc98e50.tar.gz
Input: ALPS - move protocol information to Documentation
In preparation for new protocol support, move the protocol information currently documented in alps.c to Documentation/input/alps.txt, where it can be expanded without cluttering up the driver. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Acked-by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/mouse/alps.c37
1 files changed, 1 insertions, 36 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 003587c..19d0943 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -67,42 +67,7 @@ static const struct alps_model_info alps_model_data[] = {
* isn't valid per PS/2 spec.
*/
-/*
- * PS/2 packet format
- *
- * byte 0: 0 0 YSGN XSGN 1 M R L
- * byte 1: X7 X6 X5 X4 X3 X2 X1 X0
- * byte 2: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
- *
- * Note that the device never signals overflow condition.
- *
- * ALPS absolute Mode - new format
- *
- * byte 0: 1 ? ? ? 1 ? ? ?
- * 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
- * byte 4: 0 y6 y5 y4 y3 y2 y1 y0
- * byte 5: 0 z6 z5 z4 z3 z2 z1 z0
- *
- * Dualpoint device -- interleaved packet format
- *
- * byte 0: 1 1 0 0 1 1 1 1
- * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
- * byte 2: 0 x10 x9 x8 x7 0 fin ges
- * byte 3: 0 0 YSGN XSGN 1 1 1 1
- * byte 4: X7 X6 X5 X4 X3 X2 X1 X0
- * byte 5: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
- * byte 6: 0 y9 y8 y7 1 m r l
- * byte 7: 0 y6 y5 y4 y3 y2 y1 y0
- * byte 8: 0 z6 z5 z4 z3 z2 z1 z0
- *
- * CAPITALS = stick, miniscules = touchpad
- *
- * ?'s can have different meanings on different models,
- * such as wheel rotation, extra buttons, stick buttons
- * on a dualpoint, etc.
- */
+/* Packet formats are described in Documentation/input/alps.txt */
static bool alps_is_valid_first_byte(const struct alps_model_info *model,
unsigned char data)
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