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Debian on ARM Chromebook: how to get touchpad working?




I’m running stretch on an ASUS C201 (https://wiki.debian.org/InstallingDebianOn/Asus/C201) and I’m totally lost as to how to make the touchpad work. I’m not sure if the system even sees the device.

I’d appreciate it if someone could help me debug this. Here is some info from my system:

root@meus:/# uname -a
Linux meus 4.9.0-4-armmp-lpae #1 SMP Debian 4.9.51-1 (2017-09-28) armv7l GNU/Linux
root@meus:/# xinput
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual 
core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ cros_ec                                 	id=6	[slave  keyboard (3)]
    ↳ USB2.0 HD UVC WebCam                    	id=7	[slave  keyboard (3)]
    ↳ gpio-keys                               	id=11	[slave  keyboard (3)]
    ↳ VEYRON-I2S Headset Jack                 	id=12	[slave  keyboard (3)]
root@meus:/# libinput-list-devices 
Device:           cros_ec
Kernel:           /dev/input/event6
Group:            1
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           USB2.0 HD UVC WebCam
Kernel:           /dev/input/event5
Group:            2
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           gpio-keys
Kernel:           /dev/input/event0
Group:            3
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           VEYRON-I2S Headset Jack
Kernel:           /dev/input/event4
Group:            4
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a