At Mon, 12 Oct 2009 10:03:53 +0200, Lubomir Rintel wrote: > > On Mon, 2009-10-12 at 09:18 +0200, Takashi Iwai wrote: > > At Mon, 12 Oct 2009 08:46:26 +0200, > > Clemens Ladisch wrote: > > > > > > Lubomir Rintel wrote: > > > > Entry for JMTek LLC., SSS USB Headphone Set in the quirk table. > > > > > > Please add an explaination why this entry is needed. At first glance, > > > this entry seems to describe a class-compliant device that should not > > > need a quirk. > > > > Ah right. It'd really helpful if Lubomir can give more details... > > A 2.6.31.1-based kernel on my Fedora 12 workstation at hone seemed to > require that, only the input driver attached to the device when plugged > in, the snd-usb-audio didn't seem to load and did not care about the > device when loaded manually. I did not have an idea why, since "alias: > usb:v*p*d*dc*dsc*dp*ic01isc01ip*" really seemed to match my device. > Nevertheless, after finding out that adding an entry to the quirk table > solves my problem I concluded that my understanding (or lack of thereof) > was wrong and that alias is really not meant to match my device. > > Now I plugged the adapter into my work lappy with 2.6.30.8-based Fedora > 11 and the audio interfaces on my adapter got instantly recognized and > claimed by snd-usb-audio (and the input interface by the input > subsystem), without modifying anything. > > Any clues what could have gone wrong then? Hm, I don't see any affecting changes between 2.6.30 and 31. Just as a test, could you copy sound/usb/*.[ch] from 2.6.30 tree to 2.6.31 or 32-rc and check whether the same problem appears? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
