Hi, Olivia, thank you, glad you catched this and are able to test and debug it. Let me know if I can be of any assistance. Em Sex, 9 de abr de 2021 08:09, Olivia Mackintosh <livvy@xxxxxxx> escreveu: > On Mon, Apr 05, 2021 at 10:49:20AM -0300, Geraldo wrote: > > Dear Linux users of Pioneer gear, please disregard v1 of this patch and > > test this instead if at all possible. > > > > My initial assessment that we needed to let the capture EP be opened > twice > > was clearly proven wrong by further testing. This is good because if we > > really needed that it would require a lot of reengineering inside ALSA. > > > > One thing that still boggles my mind though is why we need a special > > Pioneer case inside snd_usb_parse_implicit_fb_quirk that returns 1 like a > > capture quirk was found. > > > > This is a highly experimental patch on top of 5.12-rc6 that's supposed to > > engage implicit feedback sync on the playback for Pioneer devices. > Without > > implicit feedback sync the inputs started glitching due to clock drift in > > about an hour in my Pioneer DJ DDJ-SR2. > > > > Once again I'd like to thank Takashi Iwai. He's the true author of the > bulk > > of this code, I just adapted it and coerced it into working. > > > > Signed-off-by: Geraldo Nascimento <geraldogabriel@xxxxxxxxx> > > Thank you Geraldo and Takashi for working on this patch. I'm currently > in the process of testing with the DJM-750 but it currently does not > work as expected. I'll debug futher and report back but would like to > make you aware of this in the meantime. It may not be a a fundamental > issue with the patch, but rather something incidental. > > Kind regards, > Olivia >