[fedora-arm] Re: Kernel update has lost XMOS USB hardware

Adding arm@ list back in.

On Fri, Jul 9, 2021 at 12:37 PM Peter Robinson <pbrobinson@gmail.com> wrote:
>
> On Fri, Jul 9, 2021 at 12:30 PM David W. Legg <dwlegg@gmail.com> wrote:
> >
> > On 09/07/2021 11:24, Peter Robinson wrote:
> >
> > > On Fri, Jul 9, 2021 at 10:10 AM David W. Legg<dwlegg@gmail.com> wrote:
> > >> I tried updating my Fedora 34 kernel from-
> > >>
> > >> 5.11.17-300
> > >>
> > >> to
> > >>
> > >> 5.12.14-300
> > >>
> > >> and it no longer recognises my XMOS USB device:
> > >>
> > >> $ cat /proc/asound/cards
> > >>
> > >> 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA
> > >> bcm2835 ALSA
> > >> 1 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0
> > >> vc4-hdmi-0
> > >> 2 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1
> > >> vc4-hdmi-1
> > >> 4 [H20 ]: USB-Audio - HU300 HiFi 2.0
> > >> Yunyue Audio HU300 HiFi 2.0 at usb-0000:01:00.0-1.3, high speed
> > >>
> > >> So, device number 4 is missing with the 5.12.14-300 kernel.
> > >>
> > >> Given that the rpi4 is not yet supported, whom should I tell about this apparent bug, please?
> > > What's a "XMOS USB hardware"? I doubt being USB it's specific to the
> > > RPi4, does it work on another devices such as an x86 device? Can you
> > > give more information about the device, what driver does it use when
> > > it worked, what's the output of the lsusb line for it etc.
> >
> > Thanks, for replying, Peter.
> >
> > It is the sound card #4 mentioned above, labelled H20. It is a USB to
> > I2S audio interface to an ES9038 DAC.
> >
> > I can try it with an x86_64 PC when a new card arrives at some point in
> > the future.
>
> I don't know what you mean by that.
>
> > lsusb says it is this:-
> >
> > Bus 001 Device 003: ID 20b1:0008 XMOS Ltd HU300 HiFi 2.0
> >
> >
> > It uses the snd_usb_audio driver, according to lsmod.
> >
> > Should I just report it on Bugzilla, saying that it is
> > hardware-non-specific?
>
> Do other USB devices work in the RPi?
>
> Was this an upgrade from and older Fedora release at some point in the
> past? If so does running rpi-uboot-update and rebooting fix it?
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