Bug#955026: Right touchpad button not enabled on lenovo z580 with synaptics touchpad

From	Ralf E-Mail <anonymous272912@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#955026: Right touchpad button not enabled on lenovo z580 with synaptics touchpad
Date	2020-03-26 23:40 +0100
Message-ID	<zOJkl-6kL-13@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Package: linux-image-4.19.0-8-amd64
Version: 4.19.98-1

My lenovo Z580 laptop has a left and a right touchpad button.
In Debian 10 they both behave like a left touchpad button, i.e. my right
"mouse" button is missing.
I suppose that the right button is not enabled by psmouse.
X uses the evdev driver that states "evdev: SynPS/2 Synaptics TouchPad:
Found 1 mouse buttons".
Other selected information see below.

Thanks in advance for your help,
Ralf

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

Selected output from /proc/bus/input/devices:

I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio4/input0
S: Sysfs=/devices/platform/i8042/serio4/input/input145
U: Uniq=
H: Handlers=mouse0 event7
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=660800011000003

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

Selected output from journalctl -xb:

Mar 24 21:46:07 z580 kernel: psmouse serio4: synaptics: Touchpad model: 1,
fw: 8.0, id: 0x1e2b1, caps: 0xd00123/0x840300/0x123c00/0x0, board id: 1800,
fw id: 876955

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

Selected output from evtest:

Input driver version is 1.0.1
Input device ID: bus 0x11 vendor 0x2 product 0x7 version 0x1b1
Input device name: "SynPS/2 Synaptics TouchPad"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 272 (BTN_LEFT)
    Event code 325 (BTN_TOOL_FINGER)
    Event code 328 (BTN_TOOL_QUINTTAP)
    Event code 330 (BTN_TOUCH)
    Event code 333 (BTN_TOOL_DOUBLETAP)
    Event code 334 (BTN_TOOL_TRIPLETAP)
    Event code 335 (BTN_TOOL_QUADTAP)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value   2058
      Min     1472
      Max     5664
      Resolution      42
    Event code 1 (ABS_Y)
      Value   1590
      Min     1408
      Max     4682
      Resolution      52
    Event code 24 (ABS_PRESSURE)
      Value      0
      Min        0
      Max      255
    Event code 28 (ABS_TOOL_WIDTH)
      Value      0
      Min        0
      Max       15
    Event code 47 (ABS_MT_SLOT)
      Value      0
      Min        0
      Max        1
    Event code 53 (ABS_MT_POSITION_X)
      Value      0
      Min     1472
      Max     5664
      Resolution      42
    Event code 54 (ABS_MT_POSITION_Y)
      Value      0
      Min     1408
      Max     4682
      Resolution      52
    Event code 57 (ABS_MT_TRACKING_ID)
      Value      0
      Min        0
      Max    65535
    Event code 58 (ABS_MT_PRESSURE)
      Value      0
      Min        0
      Max      255
Properties:
  Property type 0 (INPUT_PROP_POINTER)
  Property type 2 (INPUT_PROP_BUTTONPAD)

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Bug#955026: Right touchpad button not enabled on lenovo z580 with synaptics touchpad Ralf E-Mail <anonymous272912@gmail.com> - 2020-03-26 23:40 +0100
  Bug#955026: Xorg synaptics module enables both buttons Ralf E-Mail <anonymous272912@gmail.com> - 2020-04-12 09:40 +0200

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