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| author | Kevin Cernekee <cernekee@gmail.com> | 2013-02-13 22:23:34 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-02-14 09:18:11 -0800 |
| commit | f673ceb11b880e8535476326612e54c3e0cace5b (patch) | |
| tree | bb482c8461b0c299124e5e52e7d207d2b4dc94d9 | |
| parent | 50e8b2162feb851f5af1372ba996640ad8d66fc9 (diff) | |
| download | blackbird-obmc-linux-f673ceb11b880e8535476326612e54c3e0cace5b.tar.gz blackbird-obmc-linux-f673ceb11b880e8535476326612e54c3e0cace5b.zip | |
Input: ALPS - rework detection of Pinnacle AGx touchpads
The official ALPS driver uses the EC report, not the E7 report, to detect
these devices. Also, they check for a range of values; the original
table-based code only checked for two specific ones.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Tested-by: Dave Turvene <dturvene@dahetral.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/mouse/alps.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 2221a00b25d3..eafeae279356 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -109,8 +109,6 @@ static const struct alps_model_info alps_model_data[] = { { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ - { { 0x73, 0x02, 0x64 }, 0x9b, ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT }, - { { 0x73, 0x02, 0x64 }, 0x9d, ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT }, { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 }, }; @@ -1412,6 +1410,10 @@ error: static void alps_set_defaults(struct alps_data *priv) { + priv->byte0 = 0x8f; + priv->mask0 = 0x8f; + priv->flags = ALPS_DUALPOINT; + switch (priv->proto_version) { case ALPS_PROTO_V1: case ALPS_PROTO_V2: @@ -1491,8 +1493,15 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) alps_exit_command_mode(psmouse)) return -EIO; - if (alps_match_table(psmouse, priv, e7, ec) == 0) + if (alps_match_table(psmouse, priv, e7, ec) == 0) { + return 0; + } else if (ec[0] == 0x88 && ec[1] == 0x07 && + ec[2] >= 0x90 && ec[2] <= 0x9d) { + priv->proto_version = ALPS_PROTO_V3; + alps_set_defaults(priv); + return 0; + } psmouse_info(psmouse, "Unknown ALPS touchpad: E7=%2.2x %2.2x %2.2x, EC=%2.2x %2.2x %2.2x\n", |
