70 lines
2.4 KiB
Diff
70 lines
2.4 KiB
Diff
From: Seth Forshee <seth.forshee@canonical.com>
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Date: Mon, 7 Nov 2011 19:53:15 -0800
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Subject: [PATCH 1/4] Input: ALPS - move protocol information to Documentation
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commit d4b347b29b4d14647c7394f7167bf6785dc98e50 upstream.
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In preparation for new protocol support, move the protocol
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information currently documented in alps.c to
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Documentation/input/alps.txt, where it can be expanded without
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cluttering up the driver.
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Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
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Acked-by: Chase Douglas <chase.douglas@canonical.com>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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---
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drivers/input/mouse/alps.c | 37 +------------------------------------
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1 files changed, 1 insertions(+), 36 deletions(-)
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diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
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index 003587c..19d0943 100644
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--- a/drivers/input/mouse/alps.c
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+++ b/drivers/input/mouse/alps.c
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@@ -67,42 +67,7 @@ static const struct alps_model_info alps_model_data[] = {
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* isn't valid per PS/2 spec.
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*/
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-/*
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- * PS/2 packet format
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- *
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- * byte 0: 0 0 YSGN XSGN 1 M R L
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- * byte 1: X7 X6 X5 X4 X3 X2 X1 X0
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- * byte 2: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
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- *
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- * Note that the device never signals overflow condition.
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- *
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- * ALPS absolute Mode - new format
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- *
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- * byte 0: 1 ? ? ? 1 ? ? ?
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- * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
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- * byte 2: 0 x10 x9 x8 x7 ? fin ges
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- * byte 3: 0 y9 y8 y7 1 M R L
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- * byte 4: 0 y6 y5 y4 y3 y2 y1 y0
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- * byte 5: 0 z6 z5 z4 z3 z2 z1 z0
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- *
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- * Dualpoint device -- interleaved packet format
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- *
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- * byte 0: 1 1 0 0 1 1 1 1
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- * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
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- * byte 2: 0 x10 x9 x8 x7 0 fin ges
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- * byte 3: 0 0 YSGN XSGN 1 1 1 1
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- * byte 4: X7 X6 X5 X4 X3 X2 X1 X0
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- * byte 5: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
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- * byte 6: 0 y9 y8 y7 1 m r l
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- * byte 7: 0 y6 y5 y4 y3 y2 y1 y0
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- * byte 8: 0 z6 z5 z4 z3 z2 z1 z0
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- *
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- * CAPITALS = stick, miniscules = touchpad
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- *
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- * ?'s can have different meanings on different models,
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- * such as wheel rotation, extra buttons, stick buttons
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- * on a dualpoint, etc.
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- */
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+/* Packet formats are described in Documentation/input/alps.txt */
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static bool alps_is_valid_first_byte(const struct alps_model_info *model,
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unsigned char data)
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--
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1.7.8.2
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