Just got my new YOGA Air 14 Ultra (Core Ultra X9 388H+64G RAM+2T SSD).
btw, the process should work for Yoga Slim 7i Ultra Aura as well.
However Ubuntu doesn't work out of box, especially keyboard and sound.
When you install Ubuntu via USB, disable secure boot and use the touch keyboard from accessibility menu.
You will need a USB keyboard to boot into Ubuntu for the first time if you use LUKS with password.
$ cat /etc/default/grub
# If you change this file or any /etc/default/grub.d/*.cfg file,
# run 'update-grub' afterwards to update /boot/grub/grub.cfg.
# For full documentation of the options in these files, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR=`( . /etc/os-release && echo ${NAME} )`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nopnp i8042.dumbkbd"To make sound working, you have to install special kernel + new firmware
Apply all these patch files onto Ubuntu 7.0 generic kernel
https://github.com/omacom-io/omarchy-pkgs/pull/97/changes
https://gitlab.com/kernel-firmware/linux-firmware/-/commit/1d57ec2fdc3f4bc97e96f621f3d5bc61b214c7c7
Install:
$ sudo cp -iv * /lib/firmware/cirrus/
'cs35l57-b2-dsp1-misc-17aa3821-ampl.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-ampl.bin'
'cs35l57-b2-dsp1-misc-17aa3821-ampr.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-ampr.bin'
'cs35l57-b2-dsp1-misc-17aa3821-spkid0-ampl.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid0-ampl.bin'
'cs35l57-b2-dsp1-misc-17aa3821-spkid0-ampr.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid0-ampr.bin'
'cs35l57-b2-dsp1-misc-17aa3821-spkid0.wmfw' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid0.wmfw'
'cs35l57-b2-dsp1-misc-17aa3821-spkid1-ampl.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid1-ampl.bin'
'cs35l57-b2-dsp1-misc-17aa3821-spkid1-ampr.bin' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid1-ampr.bin'
'cs35l57-b2-dsp1-misc-17aa3821-spkid1.wmfw' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821-spkid1.wmfw'
'cs35l57-b2-dsp1-misc-17aa3821.wmfw' -> '/lib/firmware/cirrus/cs35l57-b2-dsp1-misc-17aa3821.wmfw'