On Mon, 03 Feb 2020 00:28:16 +0100, edes wrote: > > > el 2020-02-02 a las 14:41 Johan Hovold escribió: > > > I realised I forgot the test to match on the device descriptor when > > applying the blacklist. It doesn't matter currently since I only enable > > the quirk for your device, but if you haven't tested the patch already, > > would you mind testing the below patch instead? > > Hi, Johan, thank you for looking into this. I tested your patch, and it > works! (5.4.11 and 5.5.0). > > I haven't performed extensive tests, but the card is again recognized as > both playback and capture device. Thank you! > > Is this and acceptable solution and will this patch be integrated into the > kernel? I don't mind where to blacklist; we may add a similar quirk in USB-audio driver side, too. thanks, Takashi > > OTOH, you said: > > > Ok, so the device has a broken altsetting 3 for interface 1, where > > endpoint 0x85 is declared as an isochronous endpoint, despite being used > > by interface 2 as an audio endpoint: > [...] > > Note that the broken altsetting probably should be using endpoint 0x81 > > just like the other altsettings for that interface, > > I can't say I understand exactly what you're saying, but do you think it > could be worth contacting the company and see if they are willing to fix > this with a new firmware? > > Anyway, it's working now, thank you again. > > > > -- >