Hi there -- I have a new Acer Swift Edge 16 (model SFE16-43) I'm trying out and it looks like on OpenSUSE Tumbleweed, as of kernel 6.4.12, the touchpad is missing the ABS_PRESSURE and/or ABS_MT_PRESSURE device bits. The device itself works fine, but without pressure information I think there seem to be some finger detection issues (specifically, light enough touches don't appear to register). I'm not sure if the hardware itself doesn't support these bits or if a quirk needs to be added to the kernel. I'm happy to help try and figure this out. My understanding is that all modern Synaptics touchpads support pressure information, though I could certainly be wrong about that.) Some debugging output that might be useful. Happy to provide more as necessary: --- # uname -a Linux cumulus 6.4.12-1-default #1 SMP PREEMPT_DYNAMIC Fri Aug 25 08:26:31 UTC 2023 (f5aa89b) x86_64 x86_64 x86_64 GNU/Linux # libinput measure touchpad-pressure Using SYNA7DB5:00 06CB:CD7E Touchpad: /dev/input/event2 This device does not have the capabilities for pressure-based touch detection. Details: Device does not have ABS_PRESSURE or ABS_MT_PRESSURE # dmesg | grep SYNA [ 2.034760] input: SYNA7DB5:00 06CB:CD7E Mouse as /devices/platform/AMDI0010:00/i2c-0/i2c-SYNA7DB5:00/0018:06CB:CD7E.0001/input/input1 [ 2.034865] input: SYNA7DB5:00 06CB:CD7E Touchpad as /devices/platform/AMDI0010:00/i2c-0/i2c-SYNA7DB5:00/0018:06CB:CD7E.0001/input/input2 [ 2.036331] hid-generic 0018:06CB:CD7E.0001: input,hidraw0: I2C HID v1.00 Mouse [SYNA7DB5:00 06CB:CD7E] on i2c-SYNA7DB5:00 [ 2.266243] input: SYNA7DB5:00 06CB:CD7E Mouse as /devices/platform/AMDI0010:00/i2c-0/i2c-SYNA7DB5:00/0018:06CB:CD7E.0001/input/input5 [ 2.266501] input: SYNA7DB5:00 06CB:CD7E Touchpad as /devices/platform/AMDI0010:00/i2c-0/i2c-SYNA7DB5:00/0018:06CB:CD7E.0001/input/input6 [ 2.266821] hid-multitouch 0018:06CB:CD7E.0001: input,hidraw0: I2C HID v1.00 Mouse [SYNA7DB5:00 06CB:CD7E] on i2c-SYNA7DB5:00 --- A thing that's a bit strange to me is the separate reporting of mouse and touchpad devices. I don't know if that's a red herring or a clue. Reporting this directly here per similarity to [1] which was closed in libinput. Thank you! [1] https://gitlab.freedesktop.org/libinput/libinput/-/issues/780
