Enable stylus settings on HP Envy x360 Convertible

Thanks to the tips from Peter Hutterer, the author of libinput and libwacom, enabling the configuration of the stylus for the HP Envy x360 Convertible is very simple. Create a table file i.e. elan-264c.tablet in this example using this template and look at the dmesg output like:


[    3.014612] input: ELAN0732:00 04F3:264C Pen as /devices/platform/AMDI0010:00/i2c-0/i2c-ELAN0732:00/0018:04F3:264C.0001/input/input15

Now the name is found as an ELAN device, include the following information


# ELAN touchscreen/pen sensor present in the HP Envy x360 Convertible 15-cp0XXX

[Device]
Name=ELAN 264C
DeviceMatch=i2c:04f3:264c
Class=ISDV4
Width=14
Height=8
IntegratedIn=Display;System

[Features]
Stylus=true
Touch=true
Buttons=0

Copy the new created file to /usr/share/libwacom/ path. Gnome Shell will automatically detect the new tablet file and display the new information. Below is the result:

Stylus configuration

Tablet information with calibration and display adjustement

Testing the stylus input

I pulled the new file to upstream who immediately accepted it. For user owning an HP touchscreen devices, expect your distribution to provide the updated linuxwacom package.

Since owning that 2-in-1 laptop, with the help of upstream, we have resolved the touchscreen issue and now the configuration of the stylus. Next challenge will be the Windows Hello like authentication currently available in the COPR repository for testing and contacting both upstream and GNOME team.

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Using AMD RX Vega driver OpenCL on Fedora 29

The Raven Ridge APU is very capable processor to handle OpenCL inside some applications like Blender, Darktable and Gimp. Unfortunately, the current implementation from Mesa, clover, stuck to 1.3, is not supported. AMD released their driver 18.40 with OpenCL2.0+ targeting only Red Hat Enterprise Linux/Cent OS 6.10 and 7.5 in addition of Ubuntu LTS. The good new is the former rpm format can be used on Fedora. The graphical part of Raven Ridge is Vega 8, basically a cut-down of Vega56 or Vega64 meaning choosing either driver for RX Vega . The instruction is provided for extracting the rpm files but here is some requirements for OpenCL: kernel-devel (provided by Fedora repository) amdgpu-dkms dkms libopencl-amdgpu-pro opencl-amdgpu-pro-icd Once done, applications needing OpenCL will automatically detect the driver located on /opt/amdgpu/lib64 . Blender will list as unknown AMD GPU and Darktable will enable it. OpenCL from official AMD driver enabled on Darktable ...

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GNOME extension Screen Autorotate available

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