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#1 2016-03-29 16:25:59

michael.helix
Member
Registered: 2016-03-27
Posts: 2

Lenovo Helix 2nd Gen some Issues

i recently purchased an lenovo helix 2nd Gen Ultraook.  Unfortnately the wiki article at https://wiki.archlinux.org/index.php/Le … kPad_Helix doesnt help me with some issues.
Can you guys help me?

Kernel is:

Linux helix 4.4.5-1-ARCH #1 SMP PREEMPT Thu Mar 10 07:38:19 CET 2016 x86_64 GNU/Linux

and Desktop Environment Gnome 3.18

1. Powerbutton does not wake up the tablet, found the issue reported at https://bugzilla.kernel.org/show_bug.cgi?id=100171

2. Hardwarebutton on the thinkpad itself are not recognized, also not by acpi_listen, scankey, journalctl etc. Tried acpi_osi=Linux, now sound was missing so i reverted the change. What other possibilities do exist to recognize these keys?
3. Digitizer is not atmel anymore, but wacom:

 Wacom HID 5014 Finger touch             	id=15	[slave  pointer  (2)]
 ↳ Wacom HID 114 Pen stylus                	id=16	[slave  pointer  (2)]
 ↳ Wacom HID 114 Pen eraser                	id=19	[slave  pointer  (2)]
 

4. Sound. Sound on speakers is ok, but the headphone sound is miserable.

 
 cat /proc/asound/cards
 0 [HDMI           ]: HDA-Intel - HDA Intel HDMI
                      HDA Intel HDMI at 0xf1118000 irq 61
 1 [broadwellrt286 ]: broadwell-rt286 - broadwell-rt286
                      broadwell-rt286

                     
                     
5. Autorotation is not working, althoough  iio-sensor-proxy is installed and sensors are recognized, like this:

 P: /devices/pci0000:00/INT3433:00/i2c-1/i2c-INV6500:00/0018:2047:0855.0003/HID-SENSOR-200073.2.auto/iio:device0
N: iio:device0
E: DEVNAME=/dev/iio:device0
E: DEVPATH=/devices/pci0000:00/INT3433:00/i2c-1/i2c-INV6500:00/0018:2047:0855.0003/HID-SENSOR-200073.2.auto/iio:device0
E: DEVTYPE=iio_device
E: MAJOR=245
E: MINOR=0
E: SUBSYSTEM=iio
E: SYSTEMD_WANTS=iio-sensor-proxy.service
E: TAGS=:systemd:
E: USEC_INITIALIZED=1941989                     

Temporarily fixed with an rotation script executing.

6. How can I get multitouch working in archlinux? This is my first tablet with an stylus and i still warp. Is there a possibility to set an value how much i can warp so clicks are still recognized? 


If these few problems are fixed i love to enjoy linux on this one.
i have solved a few problems myself like disabling the digitier with a modified script from the old helix, so i don't have to worry about when writing.

Regards

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