diff options
| author | Seth Forshee <seth.forshee@canonical.com> | 2011-11-07 22:53:15 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-11-08 01:22:09 -0500 |
| commit | d4b347b29b4d14647c7394f7167bf6785dc98e50 (patch) | |
| tree | 82f8e1c35bba7f2ba2b6ad0b930a2dea70d009a8 /drivers/input/mouse | |
| parent | 5a6c865d9861efdd066db1b5da491ebc2ff5926d (diff) | |
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/mouse')
| -rw-r--r-- | drivers/input/mouse/alps.c | 37 |
1 files changed, 1 insertions, 36 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 003587c71f43..19d09431addd 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[] = { | |||
| 67 | * isn't valid per PS/2 spec. | 67 | * isn't valid per PS/2 spec. |
| 68 | */ | 68 | */ |
| 69 | 69 | ||
| 70 | /* | 70 | /* Packet formats are described in Documentation/input/alps.txt */ |
| 71 | * PS/2 packet format | ||
| 72 | * | ||
| 73 | * byte 0: 0 0 YSGN XSGN 1 M R L | ||
| 74 | * byte 1: X7 X6 X5 X4 X3 X2 X1 X0 | ||
| 75 | * byte 2: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 | ||
| 76 | * | ||
| 77 | * Note that the device never signals overflow condition. | ||
| 78 | * | ||
| 79 | * ALPS absolute Mode - new format | ||
| 80 | * | ||
| 81 | * byte 0: 1 ? ? ? 1 ? ? ? | ||
| 82 | * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 | ||
| 83 | * byte 2: 0 x10 x9 x8 x7 ? fin ges | ||
| 84 | * byte 3: 0 y9 y8 y7 1 M R L | ||
| 85 | * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 | ||
| 86 | * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 | ||
| 87 | * | ||
| 88 | * Dualpoint device -- interleaved packet format | ||
| 89 | * | ||
| 90 | * byte 0: 1 1 0 0 1 1 1 1 | ||
| 91 | * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 | ||
| 92 | * byte 2: 0 x10 x9 x8 x7 0 fin ges | ||
| 93 | * byte 3: 0 0 YSGN XSGN 1 1 1 1 | ||
| 94 | * byte 4: X7 X6 X5 X4 X3 X2 X1 X0 | ||
| 95 | * byte 5: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 | ||
| 96 | * byte 6: 0 y9 y8 y7 1 m r l | ||
| 97 | * byte 7: 0 y6 y5 y4 y3 y2 y1 y0 | ||
| 98 | * byte 8: 0 z6 z5 z4 z3 z2 z1 z0 | ||
| 99 | * | ||
| 100 | * CAPITALS = stick, miniscules = touchpad | ||
| 101 | * | ||
| 102 | * ?'s can have different meanings on different models, | ||
| 103 | * such as wheel rotation, extra buttons, stick buttons | ||
| 104 | * on a dualpoint, etc. | ||
| 105 | */ | ||
| 106 | 71 | ||
| 107 | static bool alps_is_valid_first_byte(const struct alps_model_info *model, | 72 | static bool alps_is_valid_first_byte(const struct alps_model_info *model, |
| 108 | unsigned char data) | 73 | unsigned char data) |