At Thu, 18 Jul 2013 10:16:29 -0500, Chris J Arges wrote: > > On 07/17/2013 06:53 PM, Torstein Hegge wrote: > > On Wed, Jul 17, 2013 at 16:12:12 -0500, Chris J Arges wrote: > >> This patch is similar to commit 1762a59d8e8b5e99f6f4a0f292b40f3cacb108ba. > >> The same non-standard interface descriptor causes snd_usb_create_mixer() > >> to fail for the Focusrite Scarlett 18i8 as well. > > > > Did you test this on a recent kernel? I don't think this quirk or the quirk > > introduced by 1762a59d "ALSA: usb-audio: Add quirk for Focusrite Scarlett > > 18i6" is necessary since kernel 3.9, as it includes: > > > > 4d7b86c98 "ALSA: snd-usb: mixer: propagate errors up the call chain" > > 83ea5d18d "ALSA: snd-usb: mixer: ignore -EINVAL in snd_usb_mixer_controls()" > > 61ac51301 "ALSA: usb: Parse UAC2 extension unit like for UAC1" > > > > Those were tested on a Focusrite Scarlett 8i6, but the lsusb output > > from 18i6 and 8i6 looks similar, > > http://www.mail-archive.com/[email protected]/msg29426.html > > http://www.mail-archive.com/[email protected]/msg27776.html > > I'm guessing the 18i8 isn't that different. > > > > Re-testing this, I see that you are right. The mixer still doesn't work, > but at least its usable for playback/recording/midi. > Ignore this patch then.
OK, thanks for a quick update. Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
