I opened up the keyboard dock today to identify the touchpad chip. It is
an ELAN 3320KD-3100 in a 64 pin QFN package. It links over Bluetooth
using the Broadcom BCM20730 A1KFBG.
The device presents over Bluetooth with an ASUS ID: 0B05:8502.
ELAN call the touchpad the "Smart Pad":
** Changed in: xinput (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1480673
Title:
Asus T300 CHI bluetooth Touchpad is recognized incorrectly
To manage
** Description changed:
+ Moved the touchscreen issues to bug #1574341 "[Asus T300 CHI] Synaptics
+ Touch Digitizer V04 - no multitouch".
+
The Asus T300 CHI has a touchscreen and a (bluetooth) keyboard/touchpad combo.
Both (touchscreen, touchpad) only work like a mouse (moving pointer, left
It seems the kernel's hid-touchscreen module has bound to the device:
$ ll /sys/bus/hid/drivers/hid-multitouch/
total 0
drwxr-xr-x 2 root root0 Apr 23 12:59 ./
drwxr-xr-x 4 root root0 Apr 23 12:59 ../
lrwxrwxrwx 1 root root0 Apr 23 12:59 0003:06CB:11EF.0004 ->
My loss of the touchscreen seems to be due to my doing a lot of
experimenting with evtest and udev's hwdb. After an S3 resume this
morning the touchscreen Synaptic devices re-appeared. Thinking about it,
it may also be due to some ACPI DSDT experimentation I was doing to try
to get the Fn+F5-F7
Confirmed here too... although with 16.04 / Unity there was touchscreen
input during live session but after booting the installed system I just
realised there is no touchscreen input device.
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** Changed in: xinput (Ubuntu)
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/1480673
Title:
Asus T300 CHI bluetooth Touchpad is recognized incorrectly
To manage
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xinput (Ubuntu)
Status: New = Confirmed
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Title:
forgot to mention: same behaviour on ubuntu with unity desktop.
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https://bugs.launchpad.net/bugs/1480673
Title:
Asus T300 CHI bluetooth Touchpad is recognized incorrectly
To manage
