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by Graham Williams
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Yoga Maintenance

20201011 Yoga is a Lenovo ThinkPad X1 Yoga 4th Gen. See Section 36.1 for details.

Upgrade Ubuntu 19.10 to 20.04 20200502 Nothing to backup since project work and system configurations in a git repository and documents kept on a nextcloud server.

$ wajig update
$ wajig distupgrade
$ sudo reboot
$ wajig install update-manager-core
$ sudo do-release-upgrade -d
All went smoothly and after removing snd_hda_intel.dmic_detect=0 from /etc/default/grub sound was fully functional, including the microphones for the first time, noting that the required module snd_soc_skl_hda_dsp was loaded at boot.

Firmware Update 20200406

To check if there are firmware updates available:

$ fwupdmgr get-upgrades

$ fwupdmgr update
Downloading 44.00 for ThinkPad X1 Yoga 4th / Carbon 7th Thunderbolt Controller...
Fetching firmware https://fwupd.org/downloads/
       8b8ab85181819acd2d577194ba40fbd65276413b598fd0000cc2061783a77d9d-
       Lenovo-ThinkPad-X1Carbon5th-Thunderbolt-Firmware-N2HTF11W-Secured.cab
Downloading.             [**********************************] Less than one minute remaining.
Decompressing.           [**********************************]
Authenticating.          [**********************************]
Updating ThinkPad X1 Yoga 4th / Carbon 7th Thunderbolt Controller.
Restarting device.       [***************************************]
Downloading 0.1.30 for 20QFCTO1WW System Firmware...
Fetching firmware https://fwupd.org/downloads/e9a40c560e37e076c85198403
        a653407ddbf2e23913bfb40200ab054d8140b73-
        Lenovo-ThinkPad-X1Carbon7th-X1Yoga4th-SystemFirmware-1.30.cab
Downloading.             [**********************************] Less than one minute remaining.
Decompressing.           [**********************************]
Authenticating.          [**********************************]
Updating 20QFCTO1WW System Firmware.************************]
Scheduling.              [**********************************]
No upgrades for UEFI Device Firmware, current is 192.49.1534: 192.47.1524=older
No upgrades for UEFI Device Firmware, current is 0.1.15: 0.1.15=same, 0.1.14=older,
                                      0.1.13=older, 0.1.12=older, 0.1.10=older
No upgrades for WDC PC SN730 SDBQNTY-512G-1001, current is 11130101: 11130101=same


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