Dualsense controller not functioning properly in Ubuntu 20.04 / Linux 5.15.1

I have recently bought a Dualsense controller for use with my computer. I did this because there is [in-kernel (official) support] present for it. I updated my Ubuntu to the latest stable kernel release (5.15.1) using mainline, as the currently running kernel was 5.13 and thus too low for the in-kernel driver to be supported.

Pairing with it did not work, and it was not recognized at all, so I plugged it in with a USB cable (Which is non-ideal but I hoped would help me to resolve any problems with it). It "worked", and currently I have tried using it with Steam, which seemed to recognize it as a Dualshock 4 controller, however the right analog stick is seemingly not functioning properly, and the light is unable to be set.

In short, the problems are:

• Dualsense right analog stick is non functional

• Dualsense light bar is unable to be set by Steam

Personally, I'm not even sure how to start debugging this. Dmesg output gives:

[ 2028.118785] usb 2-2: new high-speed USB device number 4 using xhci_hcd
[ 2028.268870] usb 2-2: New USB device found, idVendor=054c, idProduct=0ce6, bcdDevice= 1.00
[ 2028.268879] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2028.268883] usb 2-2: Product: Wireless Controller
[ 2028.268886] usb 2-2: Manufacturer: Sony Interactive Entertainment
[ 2028.310395] playstation 0003:054C:0CE6.0003: hidraw0: USB HID v1.11 Gamepad [Sony Interactive Entertainment Wireless Controller] on usb-0000:06:00.3-2/input3
[ 2028.367847] input: Sony Interactive Entertainment Wireless Controller as /devices/pci0000:00/0000:00:08.1/0000:06:00.3/usb2/2-2/2-2:1.3/0003:054C:0CE6.0003/input/input24
[ 2028.368112] input: Sony Interactive Entertainment Wireless Controller Motion Sensors as /devices/pci0000:00/0000:00:08.1/0000:06:00.3/usb2/2-2/2-2:1.3/0003:054C:0CE6.0003/input/input25
[ 2028.368239] input: Sony Interactive Entertainment Wireless Controller Touchpad as /devices/pci0000:00/0000:00:08.1/0000:06:00.3/usb2/2-2/2-2:1.3/0003:054C:0CE6.0003/input/input26
[ 2028.369126] playstation 0003:054C:0CE6.0003: Registered DualSense controller hw_version=0x00000413 fw_version=0x01020014
[ 2030.471758] input: Microsoft X-Box 360 pad as /devices/virtual/input/input27

so it seems to be recognized.

I'm asking specifically either:

• What are the solutions to these issues?

• How do I start resolving these issues on my own? Where do I start?

Know someone who can answer? Share a link to this question via email, Twitter, or Facebook.