Just tested my Asus K501UX with linux-image 4.4.0, confirmed that it fixes the
touchpad issue.
Touchpad detected as Elantech. I am able to scroll with 2 fingers.
$ cat /proc/bus/input/devices
...
...
I: Bus=0018 Vendor= Product= Version=
N: Name="Elan Touchpad"
P: Phys=
S:
Sysfs=/devices/pci:00/:00:15.1/i2c_designware.1/i2c-5/i2c-ELAN1000:00/input/input12
U: Uniq=
H: Handlers=mouse1 event12
B: PROP=5
B: EV=b
B: KEY=e520 1 0 0 0 0
B: ABS=66380001303
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1521410
Title:
Touchpad not recognized in Ubuntu 14.04 on Asus K501UX-AH71
Status in linux package in Ubuntu:
Confirmed
Bug description:
I just did a fresh install of Ubuntu 14.04.3 on my ASUS K501UX-AH71.
Everything seems to be working fine, although a little buggy now and
then. The main problem now is that the touchpad is not being
recognized and is does not appear in /proc/bus/input/devices. External
mice function fine.
Reloading the mouse drive like below does not work:
sudo modprobe -r psmouse
sudo modprobe psmouse proto=imps
Attached are dmesg, and I've pasted below two other outputs (only one
attachment allowed):
DEVICES "/proc/bus/input/devices"
I: Bus=0019 Vendor= Product=0005 Version=
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U: Uniq=
H: Handlers=event0
B: PROP=0
B: EV=21
B: SW=1
I: Bus=0019 Vendor= Product=0003 Version=
N: Name="Sleep Button"
P: Phys=PNP0C0E/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1
U: Uniq=
H: Handlers=kbd event1
B: PROP=0
B: EV=3
B: KEY=4000 0 0
I: Bus=0019 Vendor= Product=0001 Version=
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
U: Uniq=
H: Handlers=kbd event2
B: PROP=0
B: EV=3
B: KEY=10 0
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input3
U: Uniq=
H: Handlers=sysrq kbd event3
B: PROP=0
B: EV=120013
B: KEY=40200 3803078f800d001 fedfffef fffe
B: MSC=10
B: LED=7
I: Bus=0019 Vendor= Product=0006 Version=
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input4
U: Uniq=
H: Handlers=kbd event4
B: PROP=0
B: EV=3
B: KEY=3e000b 0 0 0
I: Bus=0019 Vendor= Product=0006 Version=
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S:
Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:22/LNXVIDEO:01/input/input5
U: Uniq=
H: Handlers=kbd event5
B: PROP=0
B: EV=3
B: KEY=3e000b 0 0 0
I: Bus=0003 Vendor=04f2 Product=b54b Version=9556
N: Name="USB2.0 VGA UVC WebCam"
P: Phys=usb-:00:14.0-6/button
S: Sysfs=/devices/pci:00/:00:14.0/usb1/1-6/1-6:1.0/input/input6
U: Uniq=
H: Handlers=kbd event6
B: PROP=0
B: EV=3
B: KEY=10 0 0 0
I: Bus=0019 Vendor= Product= Version=
N: Name="Asus WMI hotkeys"
P: Phys=asus-nb-wmi/input0
S: Sysfs=/devices/platform/asus-nb-wmi/input/input7
U: Uniq=
H: Handlers=rfkill kbd event7
B: PROP=0
B: EV=100013
B: KEY=8 0 8000 0 0 a1606f0090 8200027800501000 e 0
B: MSC=10
I: Bus= Vendor= Product= Version=
N: Name="HDA Intel PCH Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci:00/:00:1f.3/sound/card0/input8
U: Uniq=
H: Handlers=event8
B: PROP=0
B: EV=21
B: SW=10
I: Bus= Vendor= Product= Version=
N: Name="HDA Intel PCH Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci:00/:00:1f.3/sound/card0/input9
U: Uniq=
H: Handlers=event9
B: PROP=0
B: EV=21
B: SW=4
I: Bus= Vendor= Product= Version=
N: Name="HDA Intel PCH HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci:00/:00:1f.3/sound/card0/input10
U: Uniq=
H: Handlers=event10
B: PROP=0
B: EV=21
B: SW=140
XINPUT
⎡ Virtual core pointerid=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4[slave pointer
(2)]
⎜ ↳ USB Optical Mouse id=10 [slave pointer
(2)]
⎣ Virtual core keyboard id=3[master keyboard (2)]
↳ Virtual core XTEST keyboard id=5[slave
keyboard (3)]
↳ Power Buttonid=6[slave
keyboard (3)]
↳ Video Bus id=7[slave
keyboard (3)]
↳ Video Bus
