New: snd-usb-audio Thinkpad10 gen2 TabletDock analog audio device quirky

https://bugzilla.kernel.org/show_bug.cgi?id=206639

            Bug ID: 206639
           Summary: snd-usb-audio Thinkpad10 gen2 TabletDock analog audio
                    device quirky
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.4.20
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

Created attachment 287555
--> https://bugzilla.kernel.org/attachment.cgi?id=287555&action=edit
dmesg

Inside the Thinkpad 10 gen2 Tabletdock there is an analog audio device which is connected via usb. The ID of this device is 17ef:3053. When first listening to this device, the audio was noisy and the audio quality was not that well. I am using fedora 31 stable.

Inside the dmesg I found the following line:

[   31.659316] usb 1-4.4: 2:1: cannot get freq at ep 0x1

I have found the following suggestion online to this error:
https://www.raspberrypi.org/forums/viewtopic.php?p=1442317#p1442317

I have added the following command to /etc/default/grub at GRUB_CMDLINE_LINUX and created a new grub.cfg:
snd-usb-audio.quirk_alias=17ef3053:047f02f7

After reboot, the audio quality was fine.
Nevertheless I have noticed that the volume control is still not fine. The volume is really quiet until about % of the scale and over this, the volume jumps up.

I am attaching the dmesg and hwinfo output as txt.

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https://bugzilla.kernel.org/show_bug.cgi?id=206639

--- Comment #1 from Thaison Nguyen ([email protected]) --- Created attachment 287557
--> https://bugzilla.kernel.org/attachment.cgi?id=287557&action=edit
hwinfo

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