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| author |   Ben Gamari <ben@smart-cactus.org> | 2016-10-04 11:43:30 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-10-04 11:47:01 -0700 |
| commit | aeaa881f9b17823028b464893b89c42db797b717 (patch) | |
| tree | 9e94e29f19c77fcdc75cf56b7039771ae0148540 | |
| parent | Input: ALPS - allow touchsticks to report pressure (diff) | |
| download | linux-dev-aeaa881f9b17823028b464893b89c42db797b717.tar.xz linux-dev-aeaa881f9b17823028b464893b89c42db797b717.zip | |
Input: ALPS - set DualPoint flag for 74 03 28 devices
Here we introduce logic in alps_identify to set the ALPS_DUALPOINT flag
for touchpad hardware responding to E7 report with 73 03 28, as is found
in the Dell Latitude E7470.
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/mouse/alps.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index bb0b7230cf3b..6d7de9bfed9a 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -2747,6 +2747,10 @@ static int alps_set_protocol(struct psmouse *psmouse, if (alps_set_defaults_ss4_v2(psmouse, priv)) return -EIO; + if (priv->fw_ver[1] == 0x1) + priv->flags |= ALPS_DUALPOINT | + ALPS_DUALPOINT_WITH_PRESSURE; + break; } @@ -2819,6 +2823,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x14 && ec[1] == 0x02) { protocol = &alps_v8_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && + e7[2] == 0x28 && ec[1] == 0x01) { + protocol = &alps_v8_protocol_data; } else { psmouse_dbg(psmouse, "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); |