Re: [PATCH] [snd-usb-audio] Add match for JMTek USB sound card

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



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
--
To unsubscribe from this list: send the line "unsubscribe linux-sound" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Pulseaudio]     [Linux Audio Users]     [ALSA Devel]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]

  Powered by Linux