Re: Steinberg UR22 Crackling and Clicks

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On Tue, 08 Dec 2020 20:41:33 +0100,
meschi@xxxxxxxxx wrote:
> 
> 
> 
> Am 08.12.2020 15:57 schrieb Takashi Iwai:
> > On Tue, 08 Dec 2020 15:50:28 +0100,
> > meschi@xxxxxxxxx wrote:
> >>
> >> > It's likely the issues with the implicit feedback.
> >> >
> >> > The latest development tree (either linux-next tree or
> >> > topic/usb-audio-refactoring branch of my sound.git tree) contains the
> >> > improvements of the implicit feedback mode.
> >> >
> >> >
> >> > Takashi
> >>
> >> Here is the cropped lsusb -v output:
> >> I also have dmesg output with debug boot flag enabled.
> >>
> >> Bus 001 Device 003: ID 0499:1509 Yamaha Corp. Steinberg UR22
> >
> > OK, so it's a different device than UR22C.
> >
> > Try to pass the module option quirk_alias=04991509:0499172f to
> > snd-usb-audio.  This will make the device compatible with UR22C.
> >
> >
> > Takashi
> 
> I removed snd_usb_audio and reloaded it with modprobe with the
> parameters.
> $ modprobe snd_usb_audio quirk_alias=04991509:0499172f
> 
> When I try to play a file now this happens:
> $ aplay -D plughw:CARD=UR22 ./file.wav
> Playing WAVE './file.wav' : Signed 16 bit Little Endian, Rate 44100
> Hz, Stereo
> aplay: set_params:1407: Unable to install hw params:

It's a known side-effect of the implicit feedback mode, and the latest
patchset I mentioned earlier addresses the issue.


Takashi



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