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
