[alsa-devel] [PATCH] ALSA: usb-audio: Add quirk for MOTU MicroBook II

[Manuel Reinhardt]

Thank you for your time and comments.

Am Mittwoch, den 27.02.2019, 18:14 +0100 schrieb Takashi Iwai:
> On Wed, 27 Feb 2019 15:26:01 +0100,
> Manuel Reinhardt wrote:
> > Add an entry to the quirks-table to for usb-audio to recognize the
> > Microbook II (although it only exposes vendor interfaces). A simple
> > boot
> > quirk is also implemented to set up the sample rate and  make sure
> > that
> > no audio urbs are sent before the device is ready.
> > 
> > This patch only provides audio playback and capture at 96kHz sample
> > rate. Notice the following shortcomings:
> > 
> > - The sample rate is currently hardcoded to 96k although the device
> > also
> >   supports 48k and 44.1k.
> > 
> > - The various mixer controls of the MicroBook are not made
> > available.
> > 
> > - The keep-iface control should be on by default because the device
> >   shuts down whenever the altsetting is reset which is usually
> > unwanted.
> >   (I don't know the best way to do this)
> 
> Can be set either in the quirk callback you write.
> Or it'd be not bad to create a white list, too.

I will try to address that in a future patch.

I have fixed the patch to address your remaining concerns.