Am Donnerstag, den 07.02.2019, 08:24 +0100 schrieb Takashi Iwai:
> On Thu, 31 Jan 2019 15:32:35 +0100,
> manuel.rhdt@xxxxxxxxx wrote:
> > The commit a60945fd08e4 ("ALSA: usb-audio: move implicit fb quirks
> > to
> > separate function") introduced an error in the handling of quirks
> > for
> > implicit feedback endpoints. This commit fixes this.
> >
> > If a quirk successfully sets up an implicit feedback endpoint, usb-
> > audio
> > no longer tries to find the implicit fb endpoint itself.
> >
> > Signed-off-by: Manuel Reinhardt <manuel.rhdt@xxxxxxxxx>
>
> I seem to have overlooked this one, and will queue it.
>
> BTW, did you hit actually a regression by the mentioned commit?
> Or is just a theoretical fix?
I am in the process of writing a quirk to support the MOTU Microbook II
device. The fix I submitted is necessary for the device to work. I
would be surprised if the fix doesn't also fix regressions with other
devices that require the implicit fb quirk.
I will submit the rest of the code needed for Microbook II support
soon. I mailed this patch first to become acquainted with the linux
patch submission model.
Best,
Manuel
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