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    Subject[PATCH 3.16.y-ckt 079/168] Input: synaptics - adjust min/max on Thinkpad E540
    Date
    3.16.7-ckt3 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Ben Sagal <bensagal@gmail.com>

    commit bce4f9e764c36bc35dd5c9cf9e057c09f422397d upstream.

    The LEN2006 Synaptics touchpad (as found in Thinkpad E540) returns wrong
    min max values.

    touchpad-edge-detector output:
    > Touchpad SynPS/2 Synaptics TouchPad on /dev/input/event6
    > Move one finger around the touchpad to detect the actual edges
    > Kernel says: x [1472..5674], y [1408..4684]
    > Touchpad sends: x [1264..5675], y [1171..4688]

    Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88211
    Signed-off-by: Binyamin Sagal <bensagal@gmail.com>
    Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
    Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
    ---
    drivers/input/mouse/synaptics.c | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
    index 3dcdeb785649..2d992a94f5dc 100644
    --- a/drivers/input/mouse/synaptics.c
    +++ b/drivers/input/mouse/synaptics.c
    @@ -140,6 +140,10 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
    (const char * const []){"LEN2001", NULL},
    1024, 5022, 2508, 4832
    },
    + {
    + (const char * const []){"LEN2006", NULL},
    + 1264, 5675, 1171, 4688
    + },
    { }
    };

    --
    2.1.3


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