With latest BIOS (1.38)
BIOS Touchpad option ---> Basic
$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ HD WebCam id=10 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)]
↳ Acer WMI hotkeys id=13 [slave keyboard (3)]
$ dmesg | grep -E "(mouse|input)"
[ 1.165139] input: Power Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
[ 1.165239] input: Sleep Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
[ 1.165345] input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2
[ 1.165472] input: Power Button as
/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[ 1.214203] mousedev: PS/2 mouse device common for all mice
[ 1.238310] input: AT Translated Set 2 keyboard as
/devices/platform/i8042/serio0/input/input4
[ 2.367407] psmouse serio2: synaptics: queried max coordinates: x [..5662],
y [..4728]
[ 2.410703] psmouse serio2: synaptics: queried min coordinates: x [1322..],
y [1190..]
[ 2.493774] psmouse serio2: synaptics: Touchpad model: 1, fw: 8.1, id:
0x1e2b1, caps: 0xd40123/0x840300/0x126800, board id: 2991, fw id: 1626681
[ 2.543305] input: SynPS/2 Synaptics TouchPad as
/devices/platform/i8042/serio2/input/input11
[ 15.126940] input: Acer WMI hotkeys as /devices/virtual/input/input14
[ 15.130147] input: Acer BMA150 accelerometer as
/devices/virtual/input/input15
[ 15.190230] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input16
[ 15.394956] sound hdaudioC0D0: inputs:
[ 15.418280] input: HD WebCam as
/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input17
[ 15.483652] input: HDA Intel PCH Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input18
[ 15.483909] input: HDA Intel PCH HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input19
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https://bugs.launchpad.net/bugs/1385937
Title:
[Acer Travelmate B115-M] Synaptic touchpad not correctly detected in
kernel 3.16 after upgrade to Ubuntu 14.10
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